In the AWS environment. what is the difference between metadata and user data?

A$.$

Metadata is data about data, be it for a metric in CloudWatch or $EC2$ instance, whereas, user data is the

information stored and generated by AWS customers.

Instance metadata are the defined parameters and attributes specified in instance configuration, whilst

B$.$ user data is information passed to the instance's operating system to automatically execute during boot

time.

C$.$ User data is information generated by AWS customers within their AWS environment whereas metadata

is the information accumulated against the respective AWS monitoring and performance services.

Instance metadata is static, it cannot be altered once it has been defined whilst user data is

D$.$ information generated by AWS customers within their AWS environment which they are responsible for safeguarding.