Mr: Magic Circle
Sc:Single crochet
Dc: Double Crochet
Dec: Decrease Stich
Hdc: Half Double Crochet
Sl St: Slip Stich
Tr/Tc: Triple Crochet/ Treble crochet
Ch:Chain
To start most crochet projects you will need to do a Slip knot
To do this to do this you will have to make a loop. to do this you can wrap it around your finger and you will make a another loop and pass it through the first loop you made and you will pull it
https://www.youtube.com/watch?v=RVjvNc4qfo8