DOCSP-18552 page sections improvements (#161)

* improved each landing page section

Author: kyuan-mongodb

source/fundamentals.txt

@@ -25,20 +25,20 @@ Fundamentals
    /fundamentals/csfle
    /fundamentals/time-series
 
-The Fundamentals section contains detailed information to help you
-expand your knowledge on how to use MongoDB with the Java driver. We
-divide the information in this section into the following topics: 
+The Fundamentals section explains how to perform the following tasks
+using the Java driver:
 
 - :doc:`Connect to MongoDB </fundamentals/connection>`
-- :doc:`Specify an API Version </fundamentals/versioned-api>`
+- :doc:`Use the Versioned API </fundamentals/versioned-api>`
 - :doc:`Authenticate with MongoDB </fundamentals/auth>`
-- :doc:`Use the Driver's Data Formats </fundamentals/data-formats>`
-- :doc:`Perform CRUD Operations </fundamentals/crud>`
+- :doc:`Convert between MongoDB Data Formats and Java Objects </fundamentals/data-formats>`
+- :doc:`Read from and Write to MongoDB </fundamentals/crud>`
 - :doc:`Simplify your Code with Builders </fundamentals/builders>`
-- :doc:`Perform Aggregations </fundamentals/aggregation>`
-- :doc:`Construct Indexes </fundamentals/indexes>`
-- :doc:`Specify Collations </fundamentals/collations>`
-- :doc:`Record Events in the Driver </fundamentals/logging>`
-- :doc:`Use Driver Events in your Code </fundamentals/monitoring>`
-- :doc:`Store and Retrieve Files in MongoDB </fundamentals/gridfs>`
+- :doc:`Transform your Data </fundamentals/aggregation>`
+- :doc:`Create Indexes to Speed Up Queries </fundamentals/indexes>`
+- :doc:`Sort Using Collations </fundamentals/collations>`
+- :doc:`Log Events in the Driver </fundamentals/logging>`
+- :doc:`Monitor Driver Events </fundamentals/monitoring>`
+- :doc:`Store and Retrieve Large Files in MongoDB </fundamentals/gridfs>`
 - :doc:`Encrypt Fields in a Document </fundamentals/csfle>`
+- :doc:`Use a Time Series Collection </fundamentals/time-series>`

source/index.txt

@@ -27,26 +27,27 @@ processing and reactive streams, we recommend the `Reactive Streams Driver
 
 The official MongoDB Java driver lets you connect your Java applications
 to MongoDB and work with your data. On this page, you can find descriptions of
-each section of the driver documentation.
+each section of the driver documentation and where to go to learn more
+about the Java driver.
 
 Quick Start
 -----------
 
-This :doc:`Quick Start </quick-start>` section is where you will
+This :doc:`Quick Start </quick-start>` section is where you can
 establish a connection to MongoDB Atlas and begin working with data.
 
 Usage Examples
 --------------
 
-The :doc:`Usage Examples </usage-examples>` section is where you will
+The :doc:`Usage Examples </usage-examples>` section is where you can
 find runnable code snippets and high-level explanations for common
 methods.
 
 Fundamentals
 ------------
 
-The Fundamentals section is where you will find coverage of
-core operations. This section contains information on how to:
+The Fundamentals section explains how to perform the following tasks
+using the Java driver:
 
 - :doc:`Connect to MongoDB </fundamentals/connection>`
 - :doc:`Use the Versioned API </fundamentals/versioned-api>`
@@ -55,7 +56,7 @@ core operations. This section contains information on how to:
 - :doc:`Read from and Write to MongoDB </fundamentals/crud>`
 - :doc:`Simplify your Code with Builders </fundamentals/builders>`
 - :doc:`Transform your Data </fundamentals/aggregation>`
-- :doc:`Create Indexes to Efficiently Execute Queries </fundamentals/indexes>`
+- :doc:`Create Indexes to Speed Up Queries </fundamentals/indexes>`
 - :doc:`Sort Using Collations </fundamentals/collations>`
 - :doc:`Log Events in the Driver </fundamentals/logging>`
 - :doc:`Monitor Driver Events </fundamentals/monitoring>`
@@ -66,9 +67,31 @@ core operations. This section contains information on how to:
 API Documentation
 -----------------
 
-The `API documentation <{+api+}/apidocs/mongodb-driver-sync/>`__
-has detailed technical information about classes, methods, and
-configuration objects within the MongoDB Java driver.
+The MongoDB Java driver API documentation contains detailed information
+about classes and methods in the MongoDB Java driver. The driver
+contains of the following libraries organized by functionality. See the
+following table for descriptions of each library and links to the API
+documentation.
+
+.. list-table::
+   :header-rows: 1
+   :stub-columns: 1
+   :widths: 35 65
+
+   * - Library
+     - Description
+
+   * - `BSON <{+api+}/apidocs/bson/index.html>`__ 
+     - Base BSON classes
+   
+   * - `Core <{+api+}/apidocs/mongodb-driver-core/index.html>`__ 
+     - Shared core classes
+   
+   * - `Java Driver <{+api+}/apidocs/mongodb-driver-sync/index.html>`__ 
+     - Modern API
+
+   * - `Legacy Java Driver <{+api+}/apidocs/mongodb-driver-legacy/index.html>`__ 
+     - Legacy API
 
 FAQ
 ---
@@ -95,11 +118,32 @@ What's New
 The :doc:`What's New </whats-new>` section lists new features and
 changes in each version.
 
-Additional Learning
--------------------
+Learn
+------
+
+Visit the Developer Hub and MongoDB University to learn more about the
+MongoDB Java driver.
+
+Developer Hub
+~~~~~~~~~~~~~
+
+The Developer Hub provides tutorials and social engagement for
+developers.
+
+To learn how to use MongoDB features with the Java driver, see the `How
+To's and Articles page <https://www.mongodb.com/developer/learn/?content=Articles&text=java#main>`__.
+
+To ask questions and engage in discussions with fellow developers using
+the Java Driver, see the `forums page <https://www.mongodb.com/community/forums/tag/java>`__.
+
+MongoDB University
+~~~~~~~~~~~~~~~~~~
+
+MongoDB University provides free courses to teach everyone how to use
+MongoDB.
 
-Take the free online course taught by MongoDB
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+Take the free online course taught by MongoDB instructors
+`````````````````````````````````````````````````````````
 
 .. list-table::