Planform

The planform may also refer to the projected area of the wing. From a top view perspective, one can extend the lines from the leading and trailing edges on the left and right side of the fuselage until they meet at the centerline of the aircraft. The area of the wing along with this projected area is commonly refereed to as the planform area, . It is used as a non-dimensionalization parameter.


Straight wing

Swept wing

Variable sweep wing

Delta wing (tailless)

Read more about Planform:  Low-speed, High-speed, Gallery