# Node Nx Tutorial - Step 5: Project Graph An Nx workspace can contain dozens or hundreds of applications and libraries. As a codebase grows, it becomes more difficult to understand how they depend on each other and the implications of making a particular change. Previously, some senior architect would create an ad-hoc dependency diagram and upload it to a corporate wiki. The diagram is not correct even on Day 1 and gets more and more out of sync with every passing day. With Nx, you can do better than that. ## What's Next - Continue to [Step 6: Computation Caching](/node-tutorial/06-computation-caching)