The glossary is a default page in every knowledge base. Its permalink is always "glossary", so you can get to the glossary by going to "/help/glossary" in your knowledge base (or "/home/glossary" or "/docs/glossary...
You can see when revisions have been stored by looking just under the Save, Preview, and Back buttons. If revisions have been stored, you'll see a Recent Revisions hyperlink with the number of revisions in parentheses: Sample Recent Revisio...
Use the Website Settings section of Settings > Basic to configure default behavior for your knowledge base's navigation, table of contents, related articles, navigation, glossary, and more.