lineation

The act of marking or outlining with lines.

An outline.

An arrangement of lines.

A marking by lines; disposition or arrangement of lines.

In zoology, one or more line-like marks on a surface; the appearance or form of a lineated surface: as, the lineation of the thorax of a fly.

Mensuration.

Delineation; a line or lines.

A linear feature in rock, often structural

The way in which line breaks are inserted in a poem

the act of marking or outlining with lines