This parallel coordinate plot visualizes the Iris dataset, showing relationships between sepal length, sepal width, petal length, and petal width across three flower species. Each line represents a single flower, colored by its species using d3.scaleOrdinal with d3.schemeCategory10. The code builds SVG paths with d3.line, scales each dimension with d3.scaleLinear, and renders axes with d3.axisLeft. A legend is appended as a separate SVG element, listing the three iris classes. The data loads from a CSV file using d3.csv.