Dramatic conventions are A. devices, phrases, or actions that have, over time, become so common that their meaning is immediately apparent.
B. events held once a year where actors and writers meet to share ideas about their industry.
C. an analysis of the plot and characters in a play the differences in a play from the experience of reading vs. seeing the play acted out

A. devices, phrases, or actions that have, over time, become so common that their meaning is immediately apparent.

Explanation:

Dramatic conventions are devices, phrases, or actions that have, over time, become so common that their meaning is immediately apparent.

In playwrights, convention can be defined as a technique used by the actors regularly in a drama in order to make the audience become familiar with and to enable them attach specific meaning to it. Thus, dramatic conventions depicts the nature of a character or an actor in a drama.

Some dramatic conventions which can be employed in dramas are; soliloquy, slow motion, adding narrations, split roles or multiple roles etc.