Block repeat
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.

IzIznik tile in Rustempaşa Mosque, Istanbul, Turkey, Ayhan Altun / Alamy Stock Photo
Each of these tiles from the Rustempaşa 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.

IzIznik tile in Rustempaşa Mosque, Istanbul, Turkey, Ayhan Altun / Alamy Stock Photo