What are "tags" in the filter bar?
Tags are to help you search for useful software. Eg, in the Available Tags window, click the All tab, expand "Use", find Editing. Drag that [editing] Tag into the "Tags I want" box. Now the list of available software is restricted to those packages that are considered to be editors of some sort. If you now type binary in the search box, the list will be further filtered so it only lists binary editors - take your pick.