silkscreen: a print made using a stencil process in which an image or design is superimposed on a very fine mesh screen and printing ink is squeegeed onto the printing surface through the area of the screen that is not covered by the stencil
graphic art: the arts of drawing or painting or printmaking
costal cartilage: the cartilages that connect the sternum and the ends of the ribs; its elasticity allows the chest to move in respiration