Discord is a communication platform that allows users to create servers or join existing ones to chat with others. It is commonly used by gamers, communities, and businesses to communicate, share information, and connect with others in real-time through text, voice, and video channels. It offers features like voice channels, text channels, direct messaging, and the ability to share files and media. Discord provides a convenient and efficient way to communicate and collaborate with others, making it a popular choice for various groups and individuals.