This short guide explains how social norms are different from attitudes, behaviors, morals, conventions and values and why that matters to programming. It follows upon our second short guide, which explores why integrating social norms into accountability, corruption or integrity related programming matters and highlights possible negative consequences of the failure to do so. Our first short guide offers an overview on social norms and corruption. Our second short guide explains why integrating social norms into accountability, corruption or integrity related programming matters and highlights possible negative consequences of the failure to do so.