What is the meaning of treatment?

noun

• Care provided to improve a situation (especially medical procedures or applications that are intended to relieve illness or injury.
  • synonyms: intervention
• The management of someone or something.
  • usage: "the handling of prisoners"; "the treatment of water sewage"; "the right to equal treatment in the criminal justice system"
  • synonyms: handling
• A manner of dealing with something artistically.
  • usage: "his treatment of space borrows from Italian architecture"
• An extended communication (often interactive) dealing with some particular topic.
  • usage: "the book contains an excellent discussion of modal logic"; "his treatment of the race question is badly biased"
  • synonyms: discussion, discourse