Neo4j, a graph database, offers powerful tools to manage dynamic relationships between data. Relationships can be used as pointers to identify groups of connected nodes and are also intended to store specific states for sub-graphs. The use case of a linked list demonstrates how consecutive queries can move the relationships between nodes, emulating pointer movement. A three-way switch analogy is introduced to explain combined states, where relationships represent electrical wires, current states of switches (pointer), and circular linked lists around endpoints for each switch. The example shows how these relationships can be used to manage a home automation system, including lamps, doors, gates, or shutters, with potential applications in facility management.