Update

Author: mattqual

TODO

@@ -14,6 +14,10 @@
 - [x] Aliases
 - [x] Generics
 - [ ] Lexical scopes
+  - [ ] Explain the parent.
+  - [ ] Explain the open namespace list.
+  - [ ] Explain the properties.
+  - [ ] Explain the import list. It may contain package single imports, package wildcard imports, and package recursive miports.
 - [ ] Default lexical scope
   - Discuss the parentmost scope, its imports and the `global` namespace being an alias.
 - [ ] Conditional compilation