This example presents a scatter plot of the Iris dataset, showing petal width against sepal length, with distinct d3 symbol shapes (circles, crosses, diamonds, etc.) encoding the different Iris species. It is built using a reusable `scatterPlot` function in D3 v6, which leverages `scaleLinear` for axes, `scaleOrdinal` to map species to symbols, and a `symbolGenerator` to render SVG paths. The plot reads the dataset from a remote CSV via `d3.csv`, displays axes using `axisLeft` and `axisBottom`, and supports configurable margins and symbol size through its fluent API.