Board Thread:General Mod Discussion/@comment-32938841-20170828193458/@comment-25330335-20170830024200

Keywords "if you know how to use it". Getting used to the way it does things takes some time.

Basically it operates on the idea of selections, which you can do different things with. All a pencil is is a selection that takes up the space specified and does things when you click. Other tools manipulate selections in other ways.