Try to explore the collocates of "MATERIALS" - compare the collocates 'ENHANCED" with "AUTHENTIC" (Find these words in the word cloud and click on them - the KWIC of each will appear in sections above the MATERIALS KWIC
There are 4 collacates for enhanced and 5 for authentic.When we compare
these words we see that there are several meaning in the context.The
same thing happened both of the words but there are not too many
meanings for these like the word materials.