Hi and welcome to the forum.
wyib = with yarn in back
If you click the Glossary link at the top of the page you'll find lots of explanations of abbreviations and some have videos attached. Is this your first pair of socks?
Cheating is an option. . . . Cheaters never win and winners never cheat, but smart knitters who want to retain an iota of sanity do, cheerfully. ~~Kory Stamper