Computer Science Meta

The Computer Science department has been invaded by bugs! We’ve been running a program to try and eliminate them all. What did the program output when it was finished debugging?

┌----> CLUES(lock) ----┐
| ┌--> LOGIC(quayd) ---┼--┐
| └--- EMPTY(pawn) <---┘  |
└------ LIST(gush) <------┘