Contour.
a line where two faces meet
"tree line" and/or "timberline"
A miscellaneous 8 line stanza is called an octet. But the 8 line stanza which forms the first verse of a sonnet is called an octave, and the commonest form of 8 line stanza (by far) in English is called ottava rima.
The noun 'outline' is a singular, common noun; a concrete noun as a word for a line tracing the outer edge of something or a brief written summary; an abstract noun as the general idea of something. The noun form for the verb to outline is the gerund outlining.
A line is a one-dimensional set of points that extends to infinity in each of its two directions without any turns (if it had a turn it would be two-dimensional). The word line is also commonly used to refer to a line segment, which has two end points and therefore does not extend to infinity. A line with one end point that extends to infinity in one direction is called a ray.
A line that follows the edge of form is a contour line. This type of art is called contour drawing. Doing it without looking at the paper is called blind contour drawing.
A straight line from the center of a circle to the outer edge is called a radius.
They form a line or edge.
A contour is the outline of a figure or body, the edge or line that defines or bounds a shape or object
It is called a side or edge.
In a circle it is the radius
Fall Line
Border
It is an edge.
Fall Line
This line is called a radius.
a line. a yellow one to be presice