Use Action Layers to decide what the mouse should do with objects that contain text.
Human-Computer Interaction (HCI)
Select a file by choosing either the default folder or the last-used folder.
Computer scientists need a system of symbols to simplify and unify the expression of concepts, and thereby reduce the complexity of the development process. Programmers have been stuck using the same symbols as typists for 50 years, because, in the beginning, it was expensive to make a separate keyboard for programming and for typing, and …