as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
identify the components of an email address.
user
an email address typically consists of two components: the username and the domain name. the username is usually created by the user and is used to log in to the email service, while the domain name is the web address of the email service provider (e.g. @gmail.com).
assistant