Define the different composition of cbis?

It seems you are asking about the composition of "CBIS". However, "CBIS" has many possible meanings and it's not clear which one you are referring to. Please provide more context, such as:

* What does CBIS stand for in your context? Is it a specific company, organization, acronym, or product?

* What kind of composition are you looking for? Are you interested in its chemical composition, its organizational structure, its software components, or something else?

Once you clarify what you mean by "CBIS", I can help you understand its composition.