Question

What are impelled lines in art

Answer 1

A line that gives viewers the impression that they are seeing a line where there is not a continuous mark

Answer 2

Contour lines define the edges of objects, like the sides of a bookcase, the edges of a table, a boulder, a window. Contour lines define both the edges of the object and the negative space between them, such as the space between the rungs of a ladder. Implied lines.