Screen size refers to the diagonal measurement of a display, typically expressed in inches. It indicates how large the viewing area is, which can affect the overall user experience. Larger screens can provide a more immersive experience for activities like watching movies or playing video games, while smaller screens are often more portable and convenient for tasks like reading or browsing. Different devices have varying screen sizes. For example, smartphones usually range from 5 to 7 inches, while tablets can be between 7 and 12 inches. Laptops and desktop monitors often have even larger screens, typically ranging from 13 to 32 inches or more, catering to different user needs.