Usability issues - File management system
From MoodleDocs
Most logical, consistent ordering of columns
How can we be consistent with other file management systems?
Would users prefer to have the icons for rename, delete, unzip, list, restore or words?
Users prefer generally icons rather than names. Moreover, you can always put the mouse over the icon and you can read the description. In this case it will not confuse the user because there would be few icons in the page and it would be used icons that have already been used in other places at Moodle (specially when selecting the "Turn editing on mode").
This would be the icons that I find more usable and that are already used at Moodle:
