treatment

care provided to improve a situation (especially medical procedures or applications that are intended to relieve illness or injury)

the management of someone or something; "the handling of prisoners"; "the treatment of water sewage"; "the right to equal treatment in the criminal justice system"

a manner of dealing with something artistically; "his treatment of space borrows from Italian architecture"

an extended communication (often interactive) dealing with some particular topic; "the book contains an excellent discussion of modal logic"; "his treatment of the race question is badly biased"