This interactive scatter plot displays the relationship between sepal length and petal length for three iris species, using distinct symbols to differentiate species categories. The visualization loads the Iris dataset from a remote CSV, parses it with `csvParse`, and renders the plot using D3 v7’s `symbol` generator and `scaleOrdinal`. It includes custom axes with labels and a shape legend positioned on the right. The code demonstrates reusable D3 modules for scatter plotting, axis drawing, and legend rendering, highlighting how to structure modular visualizations with data-driven joins and asynchronous state management.