Gestalt Principles

The Gestalt Principles are a set of laws arising from 1920’s psychology, describing how humans typically see objects by grouping similar elements, recognizing patterns and simplifying complex images. Designers use these to engage users via powerful -yet natural- “tricks” of perspective and best practice design standards.

https://www.interaction-design.org/literature/topics/gestalt-principles

Here’s a link that “Digital Information World” posted about Gestalt Principles:

https://www.digitalinformationworld.com/2018/10/the-designers-guide-to-gestalt-psychology.html

Along with the link of the definition is a video with it. This video also breaks down what each principle is. Not all but most of the most widely recognized ones like Continuation, Proximity, Similarity, Regularity, etc.

https://www.interaction-design.org/literature/topics/gestalt-principles