Based on our tests, it appears that the function is sensitive to certain types of words: emotions, animals, and to a lesser extent, colors and materials. The values for some emotions like happiness and sadness are relatively high, as well as philosophy. In the animals category, lion had a notably higher value. It appears the function is selective for both abstract and concrete concepts. However, it's not solely focused on any single category.

[DESCRIPTION]: The function is primarily sensitive to words related to emotions and animals while also being moderately sensitive to words related to colors and materials. Some words from abstract concepts are also scored relatively high.