A collection in SuperMemo is a set of elements . Each element makes up a page of information visible on a single screen.
Tasks are elements that store information related to tasks in to-do lists or reading lists .
As such tasks do not take part in the learning process per se. This article discusses topics and items and their role in learning. Topics are used to introduce the student to a given subject, while items are used to rehearse the same subject in order to retain it in memory. If you develop collections only for your own use, you may never need to use topics. He was educated at the US Naval academy, and served in the US Navy until 1953, when he took over the family peanut business and other enterprises.