A brief and indirect allusion to a person, place, thing, or idea. Those being referred to are not specified by name or any other identifying information.
Literary allusion:
Definitional allusions in literature, poems, and fairy stories
Historical allusion:
A Glance to the Past: Defined by their associations with past places, people, and events
The huntsman’s motivations advance the plot because they lead him to the grandmother’s house. He wants to make sure she is okay. In doing so, he advances the plot to the climax, when he discovers that the wolf has eaten both the grandmother and Little Red Riding Hood. He then saves the day and rescues them.