The Original and closing edges of the knitted fabric are referred to as the Forged-on and sure/Forged-off edges. The side edges are generally known as the selvages; the phrase derives from "self-edges", meaning that the stitches don't need to be secured by anything else. Quite a few varieties of selvages https://myworkoholic.com/unveiling-a-world-of-creativity-exploring-the-essential-quilting-supplies/