What is the main purpose of a flashback in a narrative?

The main purpose of a flashback in a narrative is to provide background information. Flashbacks allow the writer to delve into a character's past or important past events, giving readers insight into the motivations, experiences, and context that shape current actions and relationships. This technique enriches the narrative by adding depth to characters and plot, helping readers understand why characters act in certain ways or how past events have influenced the storyline.

While building suspense, resolving conflict, or developing themes may also be accomplished through various narrative techniques, these purposes are not as intrinsically linked to the function of flashbacks as background information is. The use of flashbacks specifically serves to illuminate key historical details that inform the present situation within the narrative.