Developmental milestones are behaviours or physical skills seen in infants & young childeren as they grow and develop.
Rolling over, crawling, walking, and talking are all considered milestones.
The milestones are different for every age range.
There is a traditional home in which a toddler may reach each milestone.
Skills such as taking the first step, smiling for the first time, and waving “bye bye” are called developmental milestones.