ducere, to lead or conduct), e.g., ductus arteriosus.

The number, direction and sequence of the strokes which make up a letter.

the order and direction in which the strokes which make up a letter are executed

In calligraphy, the direction of strokes in letterforms, often designated by arrows around each letter in an exemplar. See images below.

A typographic term used to describe the various elements of a character, such as the line, weight and direction in which each line is drawn. The term is derived from the Latin verb “ducere” (to lead), and was burrowed from calligraphy, where it is used to describe how the pen is held.