A parallel coordinates plot of the Iris dataset shows measurements of sepal length, sepal width, petal length, and petal width as polylines colored by species. Users can drag the vertical axis labels to reorder dimensions and explore correlations. The visualization uses d3.v6 with `scalePoint` and `scaleLinear` for axes, `d3.line` to generate paths, and `d3.drag` for interactive axis repositioning. Data is loaded from a CSV and rendered as SVGs with animated transitions.