The word exposition is from the Latin, expositio, meaning “a setting forth, narration, or display.” As applied to preaching, the word has come to mean the setting forth or explanation of the message of the biblical text. In expository preaching the sermon is designed to communicate what the text says, including its meaning for the contemporary audience.

Here are seven qualities of authentic expository preaching gleaned from definitions of various writers through the generations.

http://www.lifeway.com/pastors/2014/01/08/seven-qualities-of-expository-preaching/