|Account||An Alibaba Could account|
|User||An RAM user under an account|
|Group||An RAM user group under an account|
|Policy||A language used to describe an authorization policy|
|AK||An access key is composed of AccessKeyID and AccessKeySecret, and is used for identity authentication in Alibaba Cloud service API requests.|
|MFA||You can associate your account or RAM users with MFA devices to enhance security.|
Thank you! We've received your feedback.