What does hiding / unhiding terms mean? Dr. Yermie Cohen March 21, 2017 02:01 Hiding a term means that it won’t show up when you study this set in any mode, until you “Unhide” it. Unhiding a term means that it will be added back to the rotation of terms to study. Related articles How do I study only certain terms within a study set? What do the colored progress bars and percentages mean? Comments 0 comments Article is closed for comments.