Improve schemas-in-warehouse page for objects and arrays

Author: istreeter

docs/api-reference/loaders-storage-targets/schemas-in-warehouse/index.md

@@ -961,9 +961,7 @@ Objects can be nullable. Nested fields can also be nullable (same rules as for e
 }
 ```
 
-If the `"items"` key is missing, the type for the entire array will be `STRING` instead of `REPEATED`.
-
-Arrays can be nullable. Nested fields can also be nullable (same rules as for everything else).
+The type of the repeated value is determined by the `"items"` key of the schema. If the `"items"` key is missing, then the repeated type is `STRING`.
 
 </td>
 <td>
@@ -1172,6 +1170,50 @@ The row order in this table is important. Type lookup stops after the first matc
 <tr>
 <td>
 
+```json
+{
+  "type": "object",
+  "properties": {...}
+}
+```
+
+If the `"properties"` key is missing, the type for the entire object will be `STRING` instead of `STRUCT`.
+
+Objects can be nullable. Nested fields can also be nullable (same rules as for everything else).
+
+</td>
+<td>
+
+`STRUCT`
+
+</td>
+</tr>
+
+<tr>
+<td>
+
+```json
+{
+  "type": "array",
+  "items": {...}
+}
+```
+
+The type of values within the `ARRAY` is determined by the `"items"` key of the schema. If the `"items"` key is missing, then the values within the array will have type `STRING`.
+
+Arrays can be nullable. Nested fields can also be nullable (same rules as for everything else).
+
+</td>
+<td>
+
+`REPEATED`
+
+</td>
+</tr>
+
+<tr>
+<td>
+
 ```json
 {
   "type": "string",