indentation

noun6

1. •
   A notch or recess, in the margin or border of anything.
2. •
   A recess or sharp depression in any surface.
3. •
   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.

   • The resulting document does not contain the indentation and line breaks found in the original document. — 2007
4. •
   The act of indenting or state of being indented.
5. •
   A measure of the distance from the flush line.
6. •
   A division unit of a piece of law distinguished by its indentation or by a dash.

   • The explanatory report acknowledges that the result of the rule under the second indentation can appear arbitrary. — 2013