In this configuration activity we are able to define screen layout version for customer master data based on activities which we are performing.
Transaction: OB20
IMG Path: Financial Accounting (New) -> Accounts Receivable and Accounts Payable -> Customer Accounts -> Master Data -> Preparations for Creating Customer Master Data -> Define Screen Layout per Activity (Customers)
Table: T078D
When you enter into the transaction, on the first screen you will get the list of all activities for which you can maintain screen layout variant.
When you choose particular activity depending on what is the type of it – Accounting, Sales or Centrally, you will get a list of field status groups which you are able to maintain for them.
If you want to see screenshots from those groups you could find them in the Define Account Groups with Screen Layout (Customers) . They are the same.