"index finger" 的定义和意义

What is "index finger"?

The index finger, also known as a forefinger or pointing finger, is the finger located next to the thumb. It is typically longer and more slender than the other fingers. The index finger plays a significant role in pointing, indicating, and manipulating objects. It is commonly used for tasks that require precision, such as pressing buttons, typing, or selecting items. The index finger is also important for communication and gestures, such as indicating direction or drawing attention. Understanding the anatomy and function of the index finger is essential for fine motor skills, hand coordination, and effective communication.