Definition of applied. 1 : put to practical use applied art; especially : applying general principles to solve definite problems applied sciences.
How to Purl. The purl stitch differs from the knit stitch in two fundamental ways: The working yarn is held in the front of the project instead of the back, and the needle is inserted from the back to the front instead of from front to back. Hold the needle with cast-on stitches in your left hand. Wrap the working yarn (ball end) around your left index finger, and hold it in front of the work. 1. Insert point of right-hand needle, from back to front, into the first cast-on stitch on the left-hand needle, opening up a stitch.
The number of stitches in a rib fabric can be even, for example knit 1, purl 1 (k1, p1), knit 2, purl 2 (k2, p2). Work a few simples of rib in different combinations to see the elastic effect of ribbing. Ribs are usually worked on needles two sizes smaller than those used for stockinette stisch.