Email is a method of exchanging digital messages over the internet. It allows users to send and receive text, images, and files quickly and efficiently. Each user has a unique email address that identifies their account, making it easy to communicate with others around the world. To send an email, a user composes a message and enters the recipient's email address. The message is then transmitted through servers and delivered to the recipient's inbox. Email is widely used for personal communication, business correspondence, and marketing, making it an essential tool in today's digital world.