This example demonstrates how to load and summarize a CSV dataset of CSS named colors using React’s `useState` and `useEffect` hooks alongside D3’s `csv` utility. While the data loads, the interface displays “Loading…” text; once fetched, it renders a plain-text summary in a large `<pre>` element, showing the file size in kilobytes, row count, and column count. The message is computed using `d3.csvFormat` and custom string concatenation, with React handling the asynchronous state update.