Author's purpose refers to why an author writes a particular piece - whether it is to inform, persuade, entertain, or express feelings/emotions.
Related terms
Audience: The intended group of readers or listeners for whom a piece of writing is created.
Bias: Bias refers to the author's inclination or prejudice that may influence their writing.
Rhetorical Appeals: Rhetorical appeals are persuasive strategies used by authors to appeal to the audience's emotions (pathos), logic (logos), or credibility (ethos).