Mixing organisational data types

I have some oragnisational data types setup. They are all working fine in isolation. I am wondering if there is a way to use them in conjuction with each other. For instance:

Supplier_A belongs to a group called Account_1 (1:* relationship) both these bits of information are stored in the supplier data type.

Further Account_1 information comes from the Account data type.

When I create a table with Supplier_ID, then return the Account_ID from the supplier data type, I would like to make that piece of data access the Account data type so I can return Account level information.

Any help appreciated. I get that I might be wanting to achieve too much here and that its just not doable with a reasonably new technology.

Cheers

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Its an organisational data type, i cant attach an example.