This example visualizes the area and line chart of car sales in India from 2009 to 2019, with country names parsed as time values on the x-axis and the area metric on the y-axis. It uses D3 v5 APIs including `scaleTime`, `scaleLinear`, `area`, and `line` with `curveBasis` to create smooth paths. The chart loads CSV data from a GitHub gist, applies a blue line and orange filled area, and customizes axes with tick formatting and labels.