indentation

The act of indenting or state of being indented.

A notch or recess, in the margin or border of anything.

A recess or sharp depression in any surface.

(typography) The act of beginning a line or series of lines at a little distance within the flush line of the column or page, as in the common way of beginning the first line of a paragraph.

A measure of the distance from the flush line.

(law) A division unit of a piece of law distinguished by its indentation or by a dash.