Central objective — Milestones: a practical, age-focused guide for early childhood educators and child care centers to identify and monitor developmental milestones from infancy through preschool. Supporting elements — curated related articles such as What should my 1‑year‑old be doing?, What Toddler Milestones (12–36 months) Are Typical?, and What preschool milestones (ages 3–5) should I watch for?, plus links to trainings, free resources, and job listings to help providers spot concerns and take action.