One of Quintillian's three kinds of excellence of style.

The use of a word to mean something other than its ordinary meaning. 

The kind of information that would be used in a courtroom as evidence (e.g. DNA, witnesses)

The part of an oration that involves setting forth the arguments that support your case

A figure of rhetoric in which words preserve their literal meaning, but are placed in some kind of significant arrangement. 

The kind of support for an argument that includes among other types of support, for instance, establishing the persuader's good character.