Textured stitches to know

Basics

Garter stitch - this is made by knitting on both sides when you're working flat. If working in the round, you'll instead knit one round, then purl on the next. The point is, the purl bumps will be facing in opposite directions.

Stockinette stitch

Bumpy

Moss stitch

Double moss stitch

Cables and look-alikes!

Twisted stitches

Cabling

Stretchy

Ribbing - formed by alternating knit and purl stitches. This is commonly used at the cuff of a sock or brim of a hat.