Final answer:
The descriptions on the left column represent scholarly publications that include lengthy bibliographies and footnotes, written for an academic audience and undergo a review process before being published.
Step-by-step explanation:
The descriptions on the left column represent scholarly publications. Scholarly journal articles typically include lengthy bibliographies and may use footnotes to cite sources. They are written for an academic audience and undergo a review process before being published. On the other hand, popular publications are written for the general public and rarely include footnotes or lengthy bibliographies.