White-box testing The real point is that tests are usually designed from an abstract structure such as the input space, a graph, or logical predicates, and the question is what level of abstraction we derive that abstract structure from. That can be the source code, requirements, input space descriptions, or one of dozens of types of design models. Therefore, the "white-box / black-box" distinction is less important and the terms are less relevant. In penetration testing, white-box testing refers to a methodology where a white hat hacker has full knowledge of the system being attacked. The goal of a white-box penetration test
Splash of color Splash of color The term splash of colour refers to the effect of the use of a coloured item on an otherwise monochrome image to draw extra attention to the item. It has been used frequently in films as a form of emphasis. Some commercials will film a portion in black and white, except the product which appears in colour. A stark use and this technique occurred in the Steven Spielberg film "Schindler's List", in which the entire film is done in black-and-white, except for one image of a Star of David pinned on a little girl's coat as a