CAP: collective agreement provisions.
 
PCR: Personnel Calculation Rule which we used in Schemas

Employee subgroup grouping for personnel calculation rule.
A division of employee subgroups, for which the same personnel calculation rules are defined for payroll accounting and evaluations in payroll.

Use
1 = hourly wage earners
2 = periodic payments (e.g. monthly wage earners)
3 = salaried employees
4 = payments (public service sector Germany)

The meanings of these groupings are fixed and must not be changed.
ES grouping for collective agreement provision.
An employee subgroup grouping for collective agreement provisions combines subgroups which are governed by the same valid collective agreement provisions. A provision is a specific labor law regulation within the collective agreement.

Examples 1 = Industrial workers/hourly wages 
2 = Industrial workers/monthly wages 
3 = Salaried employees 
4 = Non pay scale employees 
5 = Public servant