treatment

(noun) care provided to improve a situation (especially medical procedures or applications that are intended to relieve illness or injury). Synonyms: intervention.

(noun) the management of someone or something. Synonyms: handling. Examples: "The handling of prisoners." "The treatment of water sewage." "The right to equal treatment in the criminal justice system."

(noun) a manner of dealing with something artistically. Example: "His treatment of space borrows from italian architecture."

(noun) an extended communication (often interactive) dealing with some particular topic. Synonyms: discussion, discourse. Examples: "The book contains an excellent discussion of modal logic." "His treatment of the race question is badly biased."