Definition of "Treatment" :
noun: care provided to improve a situation (especially medical procedures or applications that are intended to relieve illness or injury)
noun: the management of someone or something
"The treatment of water sewage."
noun: a manner of dealing with something artistically
"His treatment of space borrows from Italian architecture."
noun: an extended communication (often interactive) dealing with some particular topic
"His treatment of the race question is badly biased."