A source file has source code, what a human understands. It isn't compiled or linked.
An object file has compiled, but not linked intermediary code.
An executable file has compiled and linked code which is executable.
Answer:
dfghgfdfghgfdfghgfdfghjhgfdfghjhgfdfghjhgfghjhgferghjhre
Explanation:
Individual or other words user and attackers
Answer:
piping and instrumentation drawings (P&IDs)
Explanation:
schematic drawings showing all the equipment, pipelines, valves, instruments, and controls needed to operate a piping system