In Minerva, the customer is the top level in the system hierarchy.
A customer may have more than one company.
The definitions you make at the customer level are valid for all companies.
You only need to make these definitions once.
You must make some material management definitions in the central system.
If you have companies and the same definitions need to be made on a company basis, you can make corporate definitions for each company by selecting from the central system.
There are some material management definitions that are only made in the central system.
For each materials management definition, it is specified how the definition should be made.