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A line chart visualizes a dataset of 13 coordinate pairs, plotting dependent values against independent variables across a 500x400 SVG canvas. The example uses D3 v4 within a React framework to construct a linear chart with labeled axes, a title, and red circular markers. The code specifically employs `d3.scaleLinear` for axis scaling, `d3.axisBottom` and `d3.axisLeft` for ticks, and a custom line generator via `d3.line` with monotone curve smoothing to connect the data points. The visualization is rendered entirely as SVG elements, with fixed margins and translated groups for positioning.