Gross Motor Skills: These are the abilities required to control the large muscles of the body for walking, running, sitting, crawling, and other activities.
Fine Motor Skills: These involve smaller movements that occur in the wrists, hands, fingers, feet and toes. They also relate to eye-hand coordination skills such as playing with toys or writing with a pencil.
Milestones:These are significant stages of physical development that most children reach by certain ages (e.g., rolling over by 6 months).