Definition of "Structure" :
noun: a thing constructed; a complex entity constructed of many parts
"The structure consisted of a series of arches."
noun: the manner of construction of something and the arrangement of its parts
"Artists must study the structure of the human body."
noun: a particular complex anatomical part of a living thing and its construction and arrangement
"He has good bone structure."
noun: the complex composition of knowledge as elements and their combinations
"His lectures have no structure."
noun: the people in a society considered as a system organized by a characteristic pattern of relationships
"Sociologists have studied the changing structure of the family."
verb: give a structure to
"I need to structure my days."