Asymptotically stable nodes, often referred to as sink nodes, are characterized by trajectories that converge to a stable equilibrium point over time. An example of a sink node can be found in certain ecosystems where populations stabilize around a carrying capacity. Conversely, asymptotically unstable nodes, or source nodes, are points where trajectories diverge away from the equilibrium, such as in certain economic models where resources are depleted. Visualizations of critical points, including both sink and source nodes, can be found on educational websites and mathematical modeling platforms. Understanding these concepts is crucial for analyzing dynamic systems in various fields.