This example renders a plain-text summary of a dataset about participants in an opiate treatment study. It fetches a remote TSV file representing the study’s background table and uses `d3.tsv` to parse it, then displays the file size in kilobytes, row count, and column count inside a large `<pre>` element. The code also demonstrates alternative parsing approaches with `fetch` and `d3.csvParse`, though only the `d3.tsv` path is active. The visualization is minimal, focusing on data-loading mechanics rather than graphical representation.