Check your grammar now! : any of various arboreal chiefly nocturnal primates (superfamily Lemuroidea) that were formerly widespread but are now largely confined to Madagascar and that usually have a longish muzzle, large eyes, very soft woolly fur, and a long furry tail.
An Expository Essay is a piece of written work that aims to define and investigate a topic for the reader. This can be accomplished in several ways: defining a term, comparing and contrasting, analyzing a cause and effect, etc. The main objective is to prove a thesis through factual evidence.
The main purpose of expository text is to inform or describe what the story or book is about, so when the student reads they are understanding what is being read better. They can use this technique forever when reading and comprehening.