Container Application Software for Enterprises (CASE) is a specification that defines what?

Container Application Software for Enterprises (CASE) is a specification that defines the metadata and structure for packaging, managing, and unpacking containerized applications. CASE allows the creation of a standard format for containerized applications that can be easily shared and deployed across different environments. It defines the metadata, structure, and packaging of containerized applications, and provides a way to manage and distribute them across different platforms and environments.

https://developer.ibm.com/blogs/container-application-software-for-enterprises-packaging-spec/