This visualization maps the dependency relationships between four mathematical concepts—abelian group, injective object, subgroup, and homomorphism—from the Stacks Project tag 0ELT. It uses a force-directed graph where nodes represent concepts and links represent dependencies. The code employs D3 v7’s `d3.forceSimulation` with `forceLink`, `forceManyBody`, and `forceCenter` to position elements, while SVG circles and lines render the nodes and edges. Dragging is enabled via `d3.drag`, and the simulation updates coordinates on each tick.