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."