n an imaginary line drawn equidistant from the sidelines, that is, lengthwise, on the court; an imaginary line drawn vertically on the player's body that divides it into comparable left and right parts
Imaginary horizontal line with which the top of the main body of each character, excluding ascenders, is aligned Corresponds to the top of the x-height See x-height Also see ascender, baseline, descender
An imaginary line extending along the center of a projectile from the distal tip to the midpoint of the basal edge