What is a username?

A username is a unique identifier used to identify an individual or an entity in an online system. A username can be a combination of alphabets, numbers, and symbols. It is typically used in conjunction with a password to gain access to a secure system. Usernames are used across various online platforms such as social media, email, banking, gaming, and more. Usernames are often chosen to reflect a person's identity or interests. It is important to choose a unique and secure username to prevent unauthorized access to your online accounts.