Design Language
Noun · Hacker Culture
Definitions
A coherent set of visual, structural, and interaction principles that make a product or brand feel consistent. In tech and product culture design language is the connective tissue between individual screens and a recognizable whole.
In plain English: The shared visual and interaction rules that make a product feel consistent.
Example: "The redesign worked because the new design language unified typography, spacing, and component behavior instead of only repainting colors."