This activity allows teachers to add a glossary of terms to a course. A Glossary activity can be built independently by the teacher, or collaboratively with students. Users have the option of adding attachments to entries. Teachers may set up the activity with ratings in order to grade it.

There are several glossary formats available:

• Simple, dictionary style: Looks like a conventional dictionary with separate entries.
• Continuous without author: Shows entries one after another without any kind of separation.
• Full with author: Shows author's avatar next to the entry.
• Full without author: Does not show author's avatar.
• Encyclopedia: Shows author's avatar, but displays images, rather than creating links.
• Entry list: Displays entries as a list.
• FAQ: Appends the words QUESTION and ANSWER in the concept and definition boxes respectively.