Parents often worry about their child's communication development if they notice delays or difficulties. While children develop at their own pace, monitoring language milestones can be useful. Language Development Milestones Language includes understanding, gestures, interaction, and expression. Key milestones are: By 12 months: Responding to name, using gestures like pointing or waving. By 18 months: Saying a few words and understanding simple instructions. By 2 years: Using