The expository essay explains or acquaints the reader with
knowledge. Explaining the topic shows the reader the knowledge
the writer has. The purpose of an expository essay is to explain
a topic without giving the writer’s opinion so the reader
will have knowledge about the subject. This type of essay
is designed to convey information and help the reader to understand
the topic. Expository essays use an analysis of parts and
the use of familiar illustrations to explain the topic.