Artistic/poetic licence
Definition 1 of 2
Pro Tip 1/3Fictional Truth
Use it when factual accuracy is less important than storytelling. 
Although not historically accurate, the film's artistic licence made for a thrilling plot.
Pro Tip 2/3Creative Exaggeration
It's okay to exaggerate details to enhance the art's impact. 
The artist's use of artistic licence amplified the painting's emotional expression.
Pro Tip 3/3Inventive Imagery
Visual works may alter reality for visual appeal or thematic reasons. 
She took artistic licence in her photography to emphasize the surreal aspect of the scene.