Associated Data is the bunch of data which is associated with a particular company (customer/supplier), this is broadly classified into:
1. The Contacts/People which are part of the company.
2. The Industry Verticals either the company is part of/targets as their customers (this information in turn would help you serve your customers better or get better service from your suppliers) and also the User Teams within your organization who have access to this Company (Customer/Supplier) information
3. All the different addresses that Company (Customer/Supplier) has. Having this address makes your interaction easier if the service to be done or gained is region/city specific
4. And, all other different information that cannot be categorised into any broad and conventional fields but is important all the same.