The phrase "as a narrative tool" is correct and usable in written English.
It can be used when discussing techniques or devices employed in storytelling or writing to convey a message or enhance the narrative.
Example: "The author uses flashbacks as a narrative tool to provide deeper insight into the protagonist's past."
Alternatives: "as a storytelling device" or "as a literary technique".
Food is used as a narrative tool.
Throughout Buffy the Vampire Slayer, music serves as a narrative tool, integral to character development and action.
Sandberg suggested the twist ending and the use of an ice pick, which he thought should be used as a "narrative tool" instead of just a prop.
Far from being a point of casual reference, the new school of hip hop have embraced the drug as a narrative tool, and key cultural touch-point.
The exhibition shows photography's depth, where the medium can be used as a way to document a subject or else be used as a narrative tool itself, looking at the relationship between photographer and image.
To do this the game relies on ambiguity as a narrative tool, letting it permeate the story, allowing the game to break away from conventional video game storytelling techniques.
There's his masterful, stylistically complex writing: he can wield the second person as an effective narrative tool, then engage the royal "we" as a gentle didactic, all in the space of a page.
"As a writer, it's a great narrative tool to have that character who is slightly detached but at the same time observant of his reality," he explained, "because I think that's pretty much what being a writer is — being there, watching and internalizing".
For "Choke" and "Winter Belly," performed last year at Danspace Project, Mr. O'Connor left out the dialogue and allowed his movement to serve as the sole narrative tool.
Emplotment, narrative theory, and Burkean identification and form, are contextualized as narrative tools, along with "master plots" from the professional writing literature.
It's an object lesson in the art of mixing-as-narrative-tool, taking us from the gloomy portent of Giger's remix of "I Think About You" by Hekio Voss to the gloopy, sentimental, warmhearted openness of... ..I Think About You" by Heiko Voss.
