This example visualizes the count of useful drug names using horizontal bars. It customizes the axes by removing tick lines and domains, applying a custom tick format that replaces 'G' with 'B', and styling tick labels, axis labels, and the title with CSS. D3 v5’s `scaleLinear`, `scaleBand`, `axisLeft`, and `axisBottom` are used, with the chart drawn as SVG. The data comes from a CSV of drug statistics linked in the code.