Summary of a paper’s structural elements at three spatial scales: Across sections, across paragraphs, and within paragraphs.

<p>Note that the abstract is special in that it contains all three elements (Context, Content, and Conclusion), thus comprising all three colors.</p

A summary of the ten rules and how to tell if they are being violated.

<p>A summary of the ten rules and how to tell if they are being violated.</p

Young man with destructive perioral lesion and oral incontinence.

<p>Photo courtesy of Brian L. Fisher, California Academy of Sciences.</p