Typography is an incredibly important part of the design process -- it's just as important as the colors you choose, the images you include, and how you lay everything out. But most marketers get tripped up by typography, assuming that defaults like Arial or Times New Roman will do the trick.
Truthfully, sometimes those basic, generic fonts will be fine ... but you should be prepared for the times that they won't. For example, if you want to give feedback on design projects or improve your own content creation skills, you need know basic font terminology. Check out the following infographic below from TheLogoCompany, which guides us through some of the most important terms in typography.