Can be physical or non-violent. Examples include imprionment, bodily injury, strikes and boycotts. Prisions use thus with the threats of loss of liberty.
Fear of punishment
Using punishment as a deterrent to stop people from offending.
Individual deterrence
Punishment on offenders to prevent/deter them from committing further crimes.
General Deterrence
Fear of punishment that prevents others from committing similar crimes. E.g death penlty and lengthy prision terms.