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.
For knit stitches the yarn is carried on the back side. With purl stitches the yarn is carried on the front side. In the picture below, you can see the horizontal yarn carried on the wrong side of the fabric. This fabric is formed by knit stitches on the right side and purl stitches on the wrong side.