What is the meaning of structure?

noun

• A thing constructed; a complex entity constructed of many parts.
  • usage: "the structure consisted of a series of arches"; "she wore her hair in an amazing construction of whirls and ribbons"
  • synonyms: construction
• The manner of construction of something and the arrangement of its parts.
  • usage: "artists must study the structure of the human body"; "the structure of the benzene molecule"
• The complex composition of knowledge as elements and their combinations.
  • usage: "his lectures have no structure"
• A particular complex anatomical part of a living thing.
  • usage: "he has good bone structure"
  • synonyms: anatomical structure, complex body part, bodily structure, body structure
• The people in a society considered as a system organized by a characteristic pattern of relationships.
  • usage: "the social organization of England and America is very different"; "sociologists have studied the changing structure of the family"
  • synonyms: social organization, social organisation, social structure, social system

verb

• Give a structure to.
  • usage: "I need to structure my days"