Knowing how to tie a knot is an essential set of skills needed in order to stay safe out in the wilderness, and one of the ...

there must be a tail or bight of rope to pass through a loop. Once this is completed, a knot will form. A hitch is created when you attach one end of the rope to an object or another rope.

That's the half hitch. Bring the end around the standing end of rope and back through the loop you just made, creating another half hitch to complete the knot.