Based on the output values of the function, it seems that the concept that function f(x) is selective for is related to geographical features or locations. Specifically, words like "Pacific Ocean" and "Atlantic Ocean" have output values very close to 1, indicating a strong association with the concept. Other words like "map", "racing", "Japanese", and "Minecraft" have lower output values, suggesting a lesser association with the concept. The words "television", "cells", "series", and "software" have even lower output values, indicating a weak or no association with the concept. 

Based on this information, a possible description of the function f(x) could be:

[DESCRIPTION]: The function f(x) measures the degree of association between a given word and geographical features or locations. The function assigns higher output values closer to 1 to words strongly associated with geographical features, while assigning lower output values to words with weaker or no association.