no template defined wordpress masterstudy

I’m trying to do the layout of a course on masterstudy in wordpress, but I’d like to make a template for certain parts of the course, lets say for example when I hover over the title, show an image, when I click on a paragraph, make another one appear next to it etc… I think it is possible to have shortcuts for these and not have to copy paste the code each time I want to have these effects. I think this icon(see image) might do the trick (not sure) but I can’t seem to save a template in my dashboard. So if it is indeed this button, can you please explain me how to save templates, and if it is not the solution can you explain me where to look ? The screenshot shows the Tiny MCE editor

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