In novels, “stage directions” are sections where the author begins listing a character’s visible actions without giving the thoughts or feelings associated with them. As a result, the reader is bombarded with useless information, unable to discern which actions are meaningful.
Use beats in your dialogue to anchor your characters in their settings, control pacing, and tell the complete story.
Despite being decades old, Dwight Swain’s motivation-reaction technique is still relevant. Every time something feels off in the prose, the improperly constructed MRU is usually to blame.