ARROWS suggests considering the strengths as well as the weaknesses of interactive systems respectively though 'Perceived' and 'Requested' Worth.

Perceived and Requested worth are both structured around the classes of elements: ‘Features’, ‘Qualities’, and ‘HOEs’.

Perceived and Requested worth are clearly distinguished in WMs: the former is represented in the upper part and the latter in the lower part. As NHSC are related to both Perceived and Requested Worth, they stand at the middle of the worth map.