Light-based systems for communicating information associated with service orders and/or the identification of personal objects are disclosed. A personal mobile electronic communication device is used in conjunction with a communication network and a lighting controller to communicate service orders by lighting with one or more individually controllable luminaires in a lighting network. A personal mobile electronic communication device is, alternatively or additionally, used in conjunction with a communication network, and a lighting controller controlling an illumination proximate to the personal mobile electronic communication device such that the illumination proximate to the personal mobile electronic communication device visually indicates the service order.