Added Missing Member Variable and Unit Documentation to Various Classes

The Basics

• [Yes] Did I branch from the latest update branch?

• [Yes] Is my PR against the latest update branch?

• [Yes] Did I run all of the tests before submitting my PR?

Resolves

N/A

Proposed Changes

Adds missing inline documentation to variables.

Adds missing unit documentation in various places.

Reason for Changes

Documentation helps future peoples! (as well as current peoples)

Test Coverage

N/A

Additional Information

N/A