An "Account Name" is a unique identifier used to distinguish one user or entity from another in various online platforms and services. It is often required when creating an account for services like social media, email, or banking. The account name helps users log in and manage their profiles, ensuring that their information is secure and accessible only to them. Typically, an account name can be a combination of letters, numbers, and sometimes special characters. It may also be referred to as a username or handle, depending on the platform. Choosing a memorable and unique account name is important for personal branding and online presence, especially on platforms like Twitter or Instagram.