A full service (every 10,000 - 12,000) should include the below. A minor or interim service will likely just check the oil, brakes, exhaust, battery and tyres
Oil and Oil Filter Replacement
Fluid Levels Check and Top Up
Brake Fluid
Anti-freeze Coolant
Windscreen Wash
Power Steering Fluid
Essential Checks
Lights
Windscreen Wipers
Battery Condition
Charging System
Exhaust Condition
Tyre Tread and Pressure
Full Brake Check
Steering Check
Shock Absorbers Check
Suspension Check
Auxiliary Drive Belt Check
Wheel Alignment Check
Wheel Bearing Check
Wheel Balance
Brake Fluid Condition
Replace
Fuel Filter (Diesel)
Spark Plugs (Petrol)
Air Filter