This document provides an overview of oral language development and its importance for early literacy. It discusses key findings from research that children who develop strong oral language skills have an advantage in later reading comprehension. The document outlines stages in language development from birth to age 6. It also describes 5 components of oral language and best practices for instruction, including shared book reading, songs/rhymes, storytelling, circle time, and dramatic play. Research supporting the effectiveness of these practices is referenced.