1. Notches are big triangular markings which are used to match fabric pieces together. 2. Selvage is the finished side edges of the fabric. 3.Always cut with long even strokes, following exactly the cutting lines. 4.Darts are the midpoint or center of a piece of garment,such as collar or sleeve. 5.The true bias is always at a 50-degree angle to the crosswise and lengthwise grains and is the fabric's streetchest point.