This visualization displays Amazon Prime titles organized hierarchically by type and primary genre, with individual titles appearing as leaf nodes. The tree layout uses rectangular nodes for internal categories and circles for leaf titles, with colors indicating depth. Built with D3.js v5, the code loads CSV data from a GitHub gist and applies `d3.tree()`, `d3.hierarchy()`, and `d3.linkHorizontal()` to position nodes and render SVG paths. Text labels are positioned differently for internal versus leaf nodes to improve readability.