Cubism was a 20th century avant-garde. Avant-garde means advance guard or vanguard. The adjective form is used in English, to refer to people or works that are experimental or innovative, particularly with respect to art, culture, and politics....Art movement An art movement is a tendency or style in art with a specific common philosophy or goal, followed by a group of artists during a restricted period of time, or, at least, with the heyday of the movement defined within usually a number of years Georges Braque Georges Braque[p] was a major 20th century French painter and sculptor who, along with Pablo Picasso, developed the art movement known as Cubism.PaintingPainting is the practice of applying paint, pigment, colour or other medium to a surface . The application of the medium is commonly applied to the base with a brush but other objects may be used. In art the term describes both the act and the result, which is called a painting...SculptureSculpture is three-dimensional artwork created by shaping or combining hard materials, typically stone such as marble, metal, glass, or wood, or plastic materials such as clay, textiles, polymers and softer metals. The term has been extended to works including sound, text and, and inspired related movements in music.