Answer :

A formal outline uses a consistent format and set of symbols to identify the structure of ideas.

Structure is the arrangement and organization of interconnected elements within a physical object or system, or an object or system so organized. Material structures include man-made objects such as buildings and machines, and natural objects such as living organisms, minerals, and chemicals.

1 : Building Action: Construction. 2a : Something (such as a building) is under construction. b: Specific organizational patterns, arranged in rigid totalitarian structures - J. L. hess leaves and other plant structures. 3 : Type: Makeup Gothic.

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