What is the meaning of arrangement?

noun

• The thing arranged or agreed to.
  • usage: "they made arrangements to meet in Chicago"
  • synonyms: agreement
• An orderly grouping (of things or persons) considered as a unit; the result of arranging.
  • usage: "a flower arrangement"
• An organized structure for arranging or classifying.
  • usage: "he changed the arrangement of the topics"; "the facts were familiar but it was in the organization of them that he was original"; "he tried to understand their system of classification"
  • synonyms: organization, organisation, system
• The spatial property of the way in which something is placed.
  • usage: "the arrangement of the furniture"; "the placement of the chairs"
  • synonyms: placement
• A piece of music that has been adapted for performance by a particular set of voices or instruments.
  • synonyms: musical arrangement
• The act of arranging and adapting a piece of music.
  • synonyms: arranging, transcription