Backstitch is a great stitch for outlining shapes on your embroidery design and a great stitch to learn for beginners.
Basic hand embroidery stitches for beginners
How to do blanket stitch or open button hole stitch. This is a great stitch to do around the edge of the fabric. Or if the stitches are closer together, it can be used...
French knot is a great beginners' stitch and adds texture to your embroidery project.
There are several ways to do herringbone stitch but this is the way that Make and Do Crafts teach it.