Which component of the language and literacy domain focuses on both the receptive and the expressive language emergence writing list and understanding speaking or vocabulary When educators help children build muscles in their hands and arms by encouraging them to pick up chunky shapes for the shape sorter, they support language and literacy development in which age group? a. Birth-8 Months b. 18-24 Months c. 2-3 Years d. 4 Years-Kindergarten