I used the "Cover Story" activity for one my activities. It turned out really good. The book was useful to me. It was fairly easy to see what the activities involved and how feasible they would be for me to do.

Or there's this article: https://www.webdesignerdepot.com/2015/04/6-types-of-digital-affordance-that-impact-your-ux/ but she calls them affordances where Jerry Cao calls them signifiers.