Design pattern (computer science)

A Design Pattern is like a recipe for solving a problem in computer science. It is a tried and tested way to plan out how to best solve a common problem that many people come across when writing computer programs. It saves programmers time because they don't have to start from scratch every time - it's like having ready-made answers to problems. It also helps experienced programmers give newbies recipes to follow so they can focus on learning other aspects of programming.