Dryden's writing elaborate style established the heroic couplet as the dominant model of English poetry in the 18th century. As a consquence, Alexander Pope's writing (as well as Samuel Johnson's) models and praises Dryden's as the satirist of the restoration who did not esteem simplicity.
When using expository writing, it is important to assume that your audience has: Some background knowledge about the topic. Personal experience with the topic.