diff --git a/docs/api/config/config-property.md b/docs/api/config/config-property.md
index 262e643..c5a5e91 100644
--- a/docs/api/config/config-property.md
+++ b/docs/api/config/config-property.md
@@ -34,15 +34,7 @@ The `config` parameters are used to define which fields will be applied as rows
   By default, methods are available for the time-based fields (the **when** field) with the next values: year, month, day, hour, minute. Here you can also add the name of a custom method ([see `predicates`](/api/config/predicates-property)) for the field of any data type
 - `values` - (optional) defines the data aggregation for the cells of the Pivot table. It's an empty array by default. Each element can be a string representing a data field ID and aggregation method or an object containing the field ID and the method for data aggregation. The object parameters are the following:
   - `field` - (required) the ID of a field
-  - `method` - (required) defines a method for data extraction; possible types:
-      - for numeric values: min, max, sum, count
-      - for text values: count
-      - for date value: min, max, count  
-	  Sum - sums all the values of the selected data property and displays the sum  
-		Min - finds and displays the minimum value of the selected data property  
-		Max - finds and displays the maximum value of the selected data property  
-		Count - looks for all occurrences of the selected data property and displays their number; set by default for each newly added field
-    Average - calculates the average value of an array
+  - `method` - (required) defines a method for data extraction; for methods types and their description refer to [Applying methods](/guides/working-with-data#default-methods)
 
 <details>
 
@@ -85,7 +77,7 @@ values: [
     - `notEndsWith` - accepts string values and numbers
     - `includes` - (optional) an array of values to be displayed from those that are already filtered; available for text and dates values
 
-:::note
+:::info
 When config is processed by Pivot, its properties receive extra data and if you try to return the config state via the [`api.getState()`](/api/internal/getstate-method) method, the full object will look like this:
 
 ~~~jsx
diff --git a/docs/api/events/open-filter-event.md b/docs/api/events/open-filter-event.md
index 8abb36b..c9d1257 100644
--- a/docs/api/events/open-filter-event.md
+++ b/docs/api/events/open-filter-event.md
@@ -32,7 +32,7 @@ The function may return either a boolean value or void. When it returns **false*
 
 ### Example
 
-The example below shows how to make the Configuration panel close upon closing the filter box:
+The example below shows how to make the Configuration panel hide upon closing the filter box:
 
 ~~~jsx {20-27}
 const widget = new pivot.Pivot("#pivot", {
diff --git a/docs/api/events/render-table-event.md b/docs/api/events/render-table-event.md
index 4fa20b1..f51e717 100644
--- a/docs/api/events/render-table-event.md
+++ b/docs/api/events/render-table-event.md
@@ -57,7 +57,7 @@ If the event handler returns **false**, it will block the operation in question.
 
 ### Example
 
-The next example shows how to output the `config` object to console and add a footer.
+The next example shows how to output the [`config`](/api/config/config-property) object to console and add a footer.
 
 ~~~jsx {20-28}
 const widget = new pivot.Pivot("#pivot", {
diff --git a/docs/api/events/show-config-panel-event.md b/docs/api/events/show-config-panel-event.md
index c18cb58..9d2c10e 100644
--- a/docs/api/events/show-config-panel-event.md
+++ b/docs/api/events/show-config-panel-event.md
@@ -22,7 +22,7 @@ description: You can learn about the show-config-panel event in the documentatio
 
 The callback of the action takes an object with the following parameter:
 
-- `mode` - (required) if the value is set to **true** (default), the Configuration panel is shown, and set to **false** when the configuration panel is hidden
+- `mode` - (required) if the value is set to **true** (default), the Configuration panel is shown, and it's set to **false** when the Configuration panel is hidden
 
 ### Example
 
diff --git a/docs/api/events/update-config-event.md b/docs/api/events/update-config-event.md
index 457529d..f0718a2 100644
--- a/docs/api/events/update-config-event.md
+++ b/docs/api/events/update-config-event.md
@@ -25,26 +25,18 @@ The action is useful for saving a user's aggregation configuration so that it ca
 
 ### Parameters
 
-The callback of the action takes an object with the processed [`config`](/api/properties/config) parameters: 
+The callback of the action takes an object with the processed [`config`](/api/config/config-property) parameters: 
 
 - `rows` - rows of the Pivot table. An object with the field ID and a method for data extraction; the object parameters are the following:
   - `field` - the ID of a field
   - `method` - a method for data extraction (for time-based data fields)
 - `columns` - defines columns for the Pivot table. It's an object with the field ID and a method for data extraction; the object parameters are the following:
   - `field` - the ID of a field
-  - `method` - defines a method for data extraction (for time-based data fields)
+  - `method` - defines a method for data extraction (for time-based data fields).
   By default, methods are available for the time-based fields (the **when** field) with the next values: year, month, day, hour, minute.
 - `values` - defines the data aggregation for the cells of the Pivot table. It's an object containing the field ID and the method for data aggregation. The object parameters are the following:
   - `field` - the ID of a field
-  - `method` - defines a method for data extraction; possible types:
-      - for numeric values: min, max, sum, count, avg
-      - for text values: count
-      - for date value: min, max, count  
-	  Sum - sums all the values of the selected data property and displays the sum  
-		Min - finds and displays the minimum value of the selected data property  
-		Max - finds and displays the maximum value of the selected data property  
-		Count - looks for all occurrences of the selected data property and displays their number; set by default for each newly added field
-    Avg - calculates the average value
+  - `method` - defines a method for data extraction; about methods and possible options refer to [Applying methods](/guides/working-with-data#default-methods)
 - `filters` - (optional) defines how data is filtered in the table; it's an object with field IDs and data aggregation method. The description of the `filter` object you can see here: [`config`](/api/config/config-property)
 
 ### Returns
diff --git a/docs/api/events/update-value-event.md b/docs/api/events/update-value-event.md
index 5310e8a..bd15499 100644
--- a/docs/api/events/update-value-event.md
+++ b/docs/api/events/update-value-event.md
@@ -26,10 +26,7 @@ The callback of the action takes an object with the following parameters:
 
 - `id` - (required) the id of a field that is updated
 - `method` - (required) the method can be one of the following:
-  - for the **values** area, it's one of the data operation types:
-      - for numbers: min, max, sum, count
-      - for text values: count
-      - for date value: min, max, count
+  - for the **values** area, it's one of the data operation types: [Default methods](/guides/working-with-data#default-methods)
   - for the **rows** and **columns** areas and the **when** field, it's a default data predicate with one of the next values: year, month, day, hour, minute. If it's a custom predicate, the id is specified for the **predicate** property. 
 - `area` - (required) the name of the area where a field is updated, which can be "rows", "columns" or "values" area
 
@@ -60,4 +57,6 @@ widget.api.on("update-field", (ev) => {
 });
 ~~~
 
-**Related articles**: [api.on()](/api/internal/on-method)
+**Related articles**:
+- [api.on()](/api/internal/on-method)
+- [methods](/api/config/method-property)
diff --git a/docs/api/internal/exec-method.md b/docs/api/internal/exec-method.md
index 1e8f0f3..d977216 100644
--- a/docs/api/internal/exec-method.md
+++ b/docs/api/internal/exec-method.md
@@ -27,14 +27,12 @@ api.exec(
 ## Actions
 
 :::info
-The full list of Pivot actions can be found [**here**](/api/overview/events_overview)
+The full list of Pivot actions can be found [**here**](/api/overview/events-overview)
 :::
 
 ## Example
 
-In the example below, the [`delete-field`](/api/events/delete-field-event) event is triggered via the [`api.exec()`](/api/methods/exec) method. The last field is removed from the **values** area. The [`api.getState()`](/api/internal/getstate-method) method here is used to get the current state of the Pivot [`config`](/api/config/config-property). The event will be triggered with the button click.
-
-TBD!!!
+In the example below, the [`delete-field`](/api/events/delete-field-event) event is triggered via the `api.exec()`method. The last field is removed from the **values** area. The [`api.getState()`](/api/internal/getstate-method) method here is used to get the current state of the Pivot [`config`](/api/config/config-property). The event will be triggered with the button click.
 
 ~~~jsx {}
 // create Pivot
diff --git a/docs/api/internal/on-method.md b/docs/api/internal/on-method.md
index a20c559..9703894 100644
--- a/docs/api/internal/on-method.md
+++ b/docs/api/internal/on-method.md
@@ -28,7 +28,7 @@ api.on(
 
 :::info
 The full list of the Pivot internal events can be found [**here**](api/overview/main_overview.md/#pivot-events).
-Use the `api.on()` method if you want to listen to the actions without modifying them. To make changes to the actions, apply the [`api.intercept()`](/api/internal/on-method) method.
+Use the `api.on()` method if you want to listen to the actions without modifying them. To make changes to the actions, apply the [`api.intercept()`](/api/internal/intercept-method) method.
 :::
 
 ### Example
diff --git a/docs/api/internal/setnext-method.md b/docs/api/internal/setnext-method.md
index eb39f4e..3fb19d9 100644
--- a/docs/api/internal/setnext-method.md
+++ b/docs/api/internal/setnext-method.md
@@ -22,8 +22,24 @@ api.setNext(next: any): void;
 
 ### Example
 
-~~~jsx {}
-// TODO!!!
+The example below shows how to use the `api.setNext()` method to integrate some custom class into the Event Bus order:
+
+~~~jsx
+const widget = new pivot.Pivot("#pivot", { fields: [], data: [] });
+const server = "https://some-backend-url";
+
+// Assume you have a custom server service class named someServerService
+const someServerService = new ServerDataService(server);
+
+Promise.all([
+    fetch(server + "/data").then((res) => res.json()),
+    fetch(server + "/fields").then((res) => res.json())
+]).then(([data, fields]) => {
+    widget.setConfig({ data, fields });
+    
+    // Integrate the serverDataService into the Event Bus order of widget
+    widget.api.setNext(someServerService);
+});
 ~~~
 
-
+**Related articles**: [`setConfig`](/api/methods/setconfig-method)
diff --git a/docs/api/methods/showconfigpanel-method.md b/docs/api/methods/showconfigpanel-method.md
index f609ea2..21879f6 100644
--- a/docs/api/methods/showconfigpanel-method.md
+++ b/docs/api/methods/showconfigpanel-method.md
@@ -21,7 +21,7 @@ showConfigPanel({mode: boolean}): void;
 
 ### Parameters
 
-- `mode` (boolean) - (required) if the value is set to **true** (default), the Configuration panel is shown, and set to **false** when the Configuration panel is hidden
+- `mode` (boolean) - (required) if the value is set to **true** (default), the Configuration panel is shown, and it's set to **false** when the Configuration panel is hidden
 
 ### Example
 
diff --git a/docs/guides/configuration.md b/docs/guides/configuration.md
index 3b36b8b..ef37a3e 100644
--- a/docs/guides/configuration.md
+++ b/docs/guides/configuration.md
@@ -14,7 +14,7 @@ You can configure the *Pivot* appearance and functionality via the corresponding
 - configure the look and behavior of the Pivot columns via the [`columnShape`](/api/config/columnshape-property) property
 - configure the look and behavior of headers in the Pivot table via the [`headerShape`](/api/config/headershape-property) property
 - control the visibility of the configuration panel via the [`show-config-panel`](/api/methods/showconfigpanel-method) method
-- apply the desired locale via the [setLocale()](/api/methods/setlocale-method) method (see the [Localization](/guides/localization) section)
+- apply the desired locale via the [`setLocale()`](/api/methods/setlocale-method) method (see the [Localization](/guides/localization) section)
 - load data and fields via the corresponding [`data`](/api/config/data-property) and [`fields`](/api/config/fields-property) properties
 - define how data should be modified before it's applied via the [`predicates`](/api/config/predicates-property) property
 - define custom mathematical methods for data aggregation via the [`methods`](/api/config/methods-property) property
@@ -231,7 +231,7 @@ const widget = new pivot.Pivot("#pivot", {
 
 The widget allows freezing columns on the left side, which makes the left-most columns static and visible while scrolling. To freeze columns, apply the **split** parameter of the [`tableShape`](/api/config/tableshape-property) property by setting the value of the `left` property to **true**.
 
-:::note
+:::info
 The number of columns that are split is equal to the number of the rows fields that are defined in the [`config`](/api/config/config-property) property. 2 columns are fixed by default. In the **tree** mode only one columns gets frozen regardless of the number of the rows fields that are defined. 
 :::
 
@@ -262,7 +262,7 @@ const pivotWidget = new pivot.Pivot("#pivot", {
 
 You can also apply a custom split using the [`render-table`](/api/events/render-table-event) event. 
 
-:::note
+:::info
 For the custom split, the number of columns that are split depends on the number of the rows and values fields that are defined in the [`config`](/api/config/config-property) property.
 It's not recommended to split columns with colspans.
 :::
@@ -369,7 +369,7 @@ const widget = new pivot.Pivot("#pivot", {
 
 ## Expanding/collapsing all rows
 
-To expand/collapse all rows, the **tree** mode should be enabled via the [`tableShape`](/api/config/tableshape-property) property and you should use the [`render-table`](/api/events/render-table-event) event that allows changing configuration settings, namely, making data rows expanded or collapsed (via the `row.open` parameter of the `config` object).
+To expand/collapse all rows, the **tree** mode should be enabled via the [`tableShape`](/api/config/tableshape-property) property and you should use the [`render-table`](/api/events/render-table-event) event that allows changing configuration settings, namely, making data rows expanded or collapsed (via the `row.open` parameter of the [`config`](/api/config/config-property) object).
 
 The example below shows how to expand/collapse all data rows with the button click in the table tree mode.
 
diff --git a/docs/guides/initialization.md b/docs/guides/initialization.md
index 2102dd6..bf62102 100644
--- a/docs/guides/initialization.md
+++ b/docs/guides/initialization.md
@@ -41,7 +41,7 @@ Add a container for Pivot and give it an ID, for example *"root"*:
 Initialize Pivot with the **pivot.Pivot** constructor. It takes two parameters:
 
 - an HTML container (the ID of the HTML container)
-- an object with configuration properties. [See the full list here](#configuration-properties)
+- an object with configuration properties
 
 ~~~jsx title="index.html"
 // create Pivot
@@ -64,7 +64,7 @@ config: {
 
 ## Configuration properties
 
-:::note
+:::info
 The full list of properties to configure **Pivot** can be found [**here**](api/overview/properties_overview.md).
 :::
 
diff --git a/docs/guides/loading-exporting-data.md b/docs/guides/loading-exporting-data.md
index 6701305..e473c62 100644
--- a/docs/guides/loading-exporting-data.md
+++ b/docs/guides/loading-exporting-data.md
@@ -68,7 +68,7 @@ const data = [
 ];
 ~~~
 
-:::note
+:::info
 See also how to define fields and Pivot structure: [Working with data](guides/working-with-data)
 :::
 
diff --git a/docs/guides/working-with-data.md b/docs/guides/working-with-data.md
index f369bdc..7561efb 100644
--- a/docs/guides/working-with-data.md
+++ b/docs/guides/working-with-data.md
@@ -84,7 +84,6 @@ function setFields(){
     bar.innerHTML = html;
 }
 
-
 function switchSort(id){
     fields.forEach(f => {
         if(f.id == id){