Development is typically classified into several key areas:
1. Gross Motor Skills: These include activities like sitting, crawling, and walking. 2. Fine Motor Skills: This area focuses on small movements, such as grasping and manipulating objects. 3. Language Skills: Includes both expressive language (speaking) and receptive language (understanding). 4. Social and Emotional Skills: This involves interacting with others, forming relationships, and emotional regulation. 5. Cognitive Skills: These are related to thinking, learning, and problem-solving.