This area chart displays the relationship between age and weight, using a dataset loaded from a raw CSV file hosted on GitHub. The data is parsed, sorted by age, and rendered as a filled area plot within an SVG canvas. The visualization is built with D3.js v7, employing `d3.text` to fetch the data, `d3.scaleLinear` for axis scaling, `d3.area` to generate the area path, and `d3.axisBottom` and `d3.axisLeft` for labeled axes, with a steelblue fill and a clear title.