So far, I've only made scarves, a hat, and a partial pair of socks. I'm embarrassed to admit that I have never done a guage swatch.
Since I was mostly warming up to learning to knitting, I wasn't overly concerned with it. Now, I'm ready to start tackling projects that will be gift worthy, and I want to know they'll fit if they're hats or socks, and that I won't run out of yarn.
Could someone please explain it to me, exactly how it works? For instance, the Roll Brim Hat pattern says:
What do I do with that?