Argumentation Small 320×298 Medium 640×596 Large 1024×954 Download TIFF Original 2400×2235 | (750.5 KB) Description This diagram shows a hand gesture that represents argumentation. Keywords argument, Argumentation, gesture, hand, Hand Gesture, sign Galleries Expressive Hand Gestures Source: Wark's Modern Educator (New York: Henry Wark, 1904) 1128