Documentation stubs for new packages.

libraries/stdlib/src/Module.md

@@ -2,8 +2,12 @@
 
 ## Kotlin Standard Library
 
-The Kotlin standard library is a set of functions and types implementing idiomatic patterns when working with collections,
+The Kotlin Standard Library provides living essentials for everyday work with Kotlin.
-text and files.
+These include:
+  - Higher-order functions implementing idiomatic patterns ([let], [apply], [use], [synchronized], etc).
+  - Extension functions providing querying operations for collections (eager) and sequences (lazy).
+  - Various utilities for working with strings and char sequences.
+  - Extensions for JDK classes making it convenient to work with files, IO, and threading.
 
 # Package kotlin
 
@@ -13,40 +17,35 @@ Core functions and types, available on all supported platforms.
 
 Library support for the Kotlin annotation facility.
 
-# Package kotlin.browser
+# Package kotlin.collections
 
-API to access the web browser DOM.
+Collection types, such as [Iterable], [Collection], [List], [Set], [Map] and related top-level and extension functions.
+
+# Package kotlin.comparisons
+
+[Comparator] factory and extension functions and comparison helper functions.
 
 # Package kotlin.concurrent
 
 Utility functions for concurrent programming.
 
-# Package kotlin.dom
+# Package kotlin.io
 
-Functions for working with the W3C DOM.
+IO API for working with files and streams.
 
 # Package kotlin.jvm
 
 Functions and annotations specific to the Java platform.
 
-# Package kotlin.io
-
-IO API for working with files and streams.
-
-# Package kotlin.math
-
-Mathematics API.
-
-# Package kotlin.platform
-
-APIs for customizing the code generated by the Kotlin compiler for better interoperability with
-other code on the target platform.
-
 # Package kotlin.properties
 
 Standard implementations of delegates for [delegated properties](/docs/reference/delegated-properties.html)
 and helper functions for implementing custom delegates.
 
+# Package kotlin.ranges
+
+[Ranges](/docs/reference/ranges.html), Progressions and related top-level and extension functions.
+
 # Package kotlin.reflect
 
 Runtime API for [Kotlin reflection](/docs/reference/reflection.html)
@@ -56,14 +55,20 @@ Runtime API for [Kotlin reflection](/docs/reference/reflection.html)
 Runtime API for interoperability between [Kotlin reflection](/docs/reference/reflection.html) and
 Java reflection.
 
+# Package kotlin.sequences
+
+[Sequence] type that represents lazily evaluated collections. Top-level functions for instantiating sequences
+and extension functions for sequences.
+
+# Package kotlin.system
+
+System-related utility functions.
+
 # Package kotlin.test
 
-Functions for writing tests.
+Functions for writing test assertions.
 
 # Package kotlin.text
 
 Functions for working with text and regular expressions.
 
-# Package kotlin.util
-
-Utility functions.