Included how to interact with "green words" in the intro page navigation tips.
The green words term will work properly once pull request #558 is merged (it adds autoterms.yml).
Fixed #556
### In this PR, I have:
* [X] Manually tested to ensure my PR is working
* [X] Ensured issues that this PR closes will be [automatically closed](https://docs.github.com/en/issues/tracking-your-work-with-issues/linking-a-pull-request-to-an-issue)
* [X] Requested a review