When you begin trading using Technical Analysis (TA) and reading TA news and outlooks, inevitably you will hear about support and resistance (S&R). S&R are basics concepts of technical analysis, but are crucial elements within many traders strategies. Unfortunately, S&R is not often fully understood even by experienced traders. Below we look at what support and resistance are , and the major forms they can take, such as Horizontal, Diagonal, Historic and Predictive.