The function f(x) takes a word as input and returns a value between 0 and 1 indicating the degree of association with the concept "light". The function is selective for the concepts "light", "physics", and "death". It is less associated with the other words tested, such as "Mickey Mouse", "Hamlet", "classical", "oxygen", "owner", "skiing", and "Christianity". The function seems to prioritize words related to light and physics over other words.

Please confirm or correct my description.