A stacked bar chart shows the percentage of movie ratings across six genres, with each bar divided into five rating categories from below 5.0 to above 8.5. The visualization uses d3.csv to load the data and d3.stack to compute the stacked segments, while d3.scaleOrdinal assigns colors to rating levels. Hovering over a segment dims the bar and reveals a tooltip displaying the exact percentage for that genre and rating category. The chart includes axes via d3.axisBottom and d3.axisLeft, plus a legend rendered as colored rectangles and text.