A "Username" is a unique identifier that people use to access online accounts, such as social media platforms, email services, or gaming sites. It often reflects a person's name, interests, or a creative alias, making it easier for others to recognize them in the digital world. Choosing a good username is important because it can represent your online identity and help you connect with others. When creating a username, it's essential to consider security and privacy. Avoid using personal information like your real name or birthdate. Instead, think of something catchy or fun that still keeps your identity safe. Many platforms, like Facebook or Twitter, require a username to create an account, making it a crucial part of online interactions.