Craig Larman describes how to assign responsibilities to classes using the following principles and patterns:

• Controller
• Creator
• High Cohesion
• Indirection
• Information Expert
• Low Coupling
• Polymorphism
• Protected Variations
• Pure Fabrication

He calls GRASP “patterns of general principles in assigning responsibilities”¹⁾. Some of these are really patterns but others are principles.

• Craig Larman: Applying UML and Patterns

• GRASP (object-oriented design)