Which option best defines the AWS Well$-$Architected Framework?

A$.$ It is a framework developed by AWS that describes best practices to help customers implement security best practices in their environments.

B$.$ It is a paid service developed by AWS that defines best practices to help customers implement best practices in their environments, improving security, operational excellence, reliability, performance efficiency, and cost optimization.

C$.$ It is a no$-$cost framework developed by AWS that defines best practices, helping the customer to implement their environments, improving security, operational excellence, reliability, performance efficiency, and cost optimization.

D$.$ It is a tool in the AWS console that helps customers automatically implement architecture best practices.