There are 9 types of Dimensioning. 1) Superimposed Running Dimensioning, 2)Parellel Dimensioning (Datum Dimensioning), 3)Chain Dimensioning, 4)Combined Dimensioning, 5)Dimensioning Small Features, 6)Dimensioning of Multiple Features, 7)Dimensioning of Radius, Dimensioning of Circle, Arc, and Hole and 9) Dimensioning Angles