The Aggregate of elements of an entity in their relationships to each other . . . . Makeup, Manner . . . . Organization of parts as dominated by the general character of the whole . Build, Construct, Form, Arrange in accordance with definite pattern of organization . Most designs have a structure.
Structure is the underlying discipline for such arrangements.
Structure generally imposes order and predetermines internal relationships of forms in a design. We may have created a design without consciously thinking of structure, but structure is always present when there is organization. Structure can be formal, semi-formal, or informal. It can also be visible or invisible. Principals of Two-Dimensional Design.