This example visualizes a company’s hierarchical structure as a network graph, with nodes representing employees, teams, and departments, and links labeled by relationships like “manages” or “works_in.” Node colors encode group membership, from the yellow CEO to green individual contributors. Using D3 v7, it applies a force simulation (`d3.forceSimulation`) with link, charge, collide, and center forces to lay out the graph. Data loads from a JSON file, and the scene renders as an SVG with interactive mouseover logging to the console.