Before beginning a crochet project it can be wise to practice some basic stitches. Here I have put together 6 different videos that explain some essential techniques you will need to master if you want to crochet. Please note that I use the US terminology.
In these videos I use 3 mm braided cotton cord and an 8 mm crochet hook.
Slip knot
Chain stitch
Slip stitch
Single crochet
Half double crochet
Double crochet