Yes, you've got the difference between ribbing and seed stitch figured out. The pattern should tell you what your stitch pattern is, rib, seed stitch, or something else. You're off to a great start learning to read knitting.
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