Design.
Gestalt Laws of Design.

Gestalt principles, or gestalt laws, are rules of the organization of perceptual scenes. When we look at the world, we usually perceive complex scenes composed of many groups of objects on some background, with the objects themselves consisting of parts, which may be composed of smaller parts, etc.

AboutAuthorDate
7 Gestalt principles of visual perception: cognitive psychology for UXUser Testing BlogApril 10th, 2019
The designer's guide to Gestalt TheoryCreative BloqDecember 11th, 2018
Design Principles: Visual Perception And The Principles Of GestaltSmashing MagazineMarch 29th, 2014
The Gestalt Principle: Design Theory for Web DesignersEnvato Tuts+January 12th, 2011