What is the function of the Shift key in typing?

The Shift key is primarily used to capitalize letters when typing on a keyboard. This function allows users to produce uppercase characters by holding down the Shift key while pressing a letter key. Additionally, the Shift key is also utilized in conjunction with other keys to access alternate functions or symbols located on the upper part of a key. By enabling capitalization, it plays a critical role in ensuring proper grammar and readability in typed documents.

Understanding the Shift key's function reinforces the importance of typing skills, as it allows for the efficient input of capital letters and special characters, integral for effective communication.