A mobile phone, commonly referred to as a smartphone, is a portable device that combines cellular communication capabilities with advanced computing functions. Smartphones feature touchscreens, internet connectivity, and access to a wide range of applications, enabling users to perform tasks such as calling, texting, browsing the web, and using social media. They also include features like cameras, GPS, and multimedia playback, making them versatile tools for both personal and professional use. Their compact size allows for easy transport and accessibility.