A stacked horizontal bar chart displays the percentage distribution of IMDb movie ratings across six genres, with each bar segmented into five rating categories from "below 5.0" to "above 8.5." The chart uses d3.stack to aggregate the data from a CSV file and renders segments as SVG rectangles scaled by d3.scaleLinear and positioned with d3.scaleBand. Hovering over a segment reveals a tooltip showing the exact percentage for that genre-rating combination, while a legend and axis labels clarify the categories and percentage scale.