To represent in words.
To give rise to a geometrical structure.
To introduce a new taxon to science by explaining its characteristics and particularly how it differs from other taxa.
To represent by drawing; to draw a plan of; to delineate; to trace or mark out.
To explain something, or give exact details, usually in writing.
To go out, leave.
To position, to put in a position
To start an activity with the intention of finishing it.