I assume you mean stocking stictch? that is knit one row, purl the next, so that you have the wavy pattern on one Garter stitch is plain knitting every row.
A plain knit is simply knitting each stitch on the front or public side of the fabric and purling each stitch on the back or private side of the fabric. This stitch is called stockinette stitch....
You can knit loads of things! Scarves, mittens, socks, jumpers, blankets, or just anything you can think of. You can also knit with different colours, different stitches and styles and with different...