Account identification refers to the process of recognizing and verifying a specific user or entity within a system, often for security and access purposes. This can involve using unique identifiers such as usernames, email addresses, or account numbers to ensure that the right individual is accessing their information or services. In many cases, account identification is part of a broader security framework that includes authentication methods like passwords or biometric data. This helps protect sensitive information and ensures that only authorized users can access their accounts, thereby reducing the risk of fraud or unauthorized access to personal data.