Meanings

detonator

central processing unit

back-end

detention

prison

rearrangement

punishment (esp. spanking a child)

punished criminal

execution ground

pointing device (e.g. laser pen)

output unit

measure

(gun) silencer

to leave as it is

controller

to be enrolled (in a college, course of study, etc.)

establishment

intermittently

to put

storage (device)