The importance to be Driven There are many buzzwords and acronyms to describe how the software should be designed. TDD (Test Driven), BDD (Behaviour Driven), DDD (Domain Driven) are the most well known. In this speech we'll run thought all these techniques comparing each one of those with TDD and finding what are the common concepts. An exercise will show to the students how different the code will be using different design methodologies as driver.