The document discusses developmentally appropriate practice (DAP) in early childhood education. It provides 12 principles of DAP, which emphasize that children learn through active experiences; development occurs through interactions between maturation and the environment; and optimal learning happens when education is tailored to children's developmental levels. The document also provides examples of how to design different centers and learning activities that apply DAP principles, focusing on literacy, fine motor skills, science, math and other domains of learning.