Design Pattern

.NET Design Patterns

Creational Patterns

1.Abstract Factory	Creates an instance of several families of classes
2.Builder	Creates an instance of several families of classes
3.Factory Method	Creates an instance of several families of classes
4.Prototype	Creates an instance of several families of classes
5.Singleton	Creates an instance of several families of classes

Creational Patterns
  Abstract Factory Creates an instance of several families of classes

Difference between design patterns and design principles?