A pattern is a design in which lines, shapes, forms or colours are repeated. The part that is repeated is called a motif. Patterns can be regular or irregular.
The most basic way of creating pattern is to block repeat.
This is where the motif is repeated in exactly the same way in horizontal and vertical lines.
Each of these tiles from the Rustempa艧a Mosque in Istambul can be seen as a motif of a central rosetteA round, stylised design, especially one that resembles a flower. with mirrored tulip shapes around it.
The tiles are arranged in a block repeat creating a regular pattern.