Unit of analysis. The unit of analysis is the major entity that is being analyzed in a study. It is the 'what' or 'who' that is being studied. In social science research, typical units of analysis include individuals (most common), groups, social organizations and social artifacts.
Exeunt definition, (they) go offstage (used formerly as a stage direction, usually preceding the names of the characters): Exeunt soldiers and townspeople. See more. Dictionary.com
The definition of a portent is an omen or sign of something to come. An example of a portent is a black cat crossing your path, which is a sign of bad luck to come. something that portends an event about to occur, esp. an unfortunate event; omen.