This example shows a social network graph of ten people connected by friendship links, with nodes labeled by name and sized uniformly. It uses d3.forceSimulation with forceLink, forceManyBody, forceCollide, and forceCenter to position the nodes, while SVG circles and text render each person. Links are drawn as blue lines with arrow markers, and the graph is fully interactive—nodes can be dragged via d3.drag, and hovering highlights them with a black border. The data comes from a JSON file specifying relationships and node groups.