an outline (of a coast etc)

outline, profile

a thin long mark on a surface; to attach an inside layer of material to (a bag, box, drawer etc or to clothing)

mark, stroke; border

a side, especially of the head; an edge or outline of something seen against a background; a brief biography, as given in a magazine or on TV

drawing of outline

a picture in solid black showing only the outline; outline of a person or object seen from the side

outline

a particular quality or characteristic

characteristic