This donut chart visualizes 2022 US auto sales by brand, with each arc segment representing a brand's year-to-date sales. A legend lists each brand with its corresponding color and sales value, formatted in thousands. The visualization uses D3.js v5 with the `pie`, `arc`, and `scaleOrdinal` APIs to compute the pie geometry and color mapping, while data is loaded from a CSV file via `d3.csv`. The SVG output is generated by drawing paths and appending legend groups, with styling applied through CSS.