The Internal link distribution chart in Site Audit shows:

July 25, 2020 Certificate Land

distribution across your website’s pages by the number of clicks away from the homepage
distribution of links across three groups of pages with diﬀerent strengths based on their Internal LinkRank
distribution of errors, warnings and notices on your website in terms of internal linking.

The correct answer is:

distribution of links across three groups of pages with diﬀerent strengths based on their Internal LinkRank.