The ICE-8 Tree & Network visualization presents two distinct views of relational data, toggled via buttons. The Tree View displays a hierarchical structure, while the Network View maps interconnected nodes, both rendered as scalable vector graphics. The example uses D3.js version 7, leveraging its core selection and layout APIs, with the force-directed simulation handling node positioning in the network mode. The SVG canvas is dynamically redrawn based on the selected view.