Unity

Unity is the sense that every part of a design belongs together. Shapes, colors, corners, spacing and type all follow the same rules.

The example shows the same list twice. The fragmented card mixes colors and corner styles, so each row feels separate. The unified card shares one color, one corner radius and an even rhythm, so it reads as one clear piece.

Unity makes content easier to take in and makes a product feel trustworthy. A simple way to build it is a small set of shared styles: a color palette, a type scale and spacing values used everywhere.