Extend documentation

[rcannood]

Describe your changes

• Refer to task_info.yml in multiple places
• Use glossary to help users find information

Issue ticket number and link

Closes #268

Checklist before requesting a review

• [x] I have performed a self-review of my code

• Check the correct box. Does this PR contain:

  • [ ] Breaking changes
  • [ ] New functionality
  • [ ] Major changes
  • [x] Minor changes
  • [ ] Bug fixes

• [ ] Proposed changes are described in the CHANGELOG.md

• [x] CI Preview succeeds and looks good!

[github-actions[bot]]