A short, clear and accessible video on how to make Hover Text Help icons in Tableau, saving precious space on your viz whilst providing detailed instructions at the same time.
If you need more details, then check out the step-by-step instruction slides below. Again, designed to be short, clear and accessible (no essays!).
Remember to use the Full Screen mode in the slides box for easier viewing, even on mobiles.
Let me know what you come up with and create!