This document summarizes key points from a chapter about toddler language development. It discusses how toddlers' brains are highly active and they begin symbolic communication through words. It also outlines the major language tasks toddlers work on concurrently, including phonology, syntax, semantics and pragmatics. The document notes characteristics of toddler speech, such as telegraphic speech, and how caregivers can support language growth through activities like music, symbolic play, shared book reading and a literacy-rich environment.