1. A system comprising: a detector configured to receive gesture data that represents a gesture made by a body; and a processor coupled to the detector, the processor configured to detect the gesture from the gesture data, wherein the gesture data comprises at least one of position and orientation of the body, wherein the processor is configured to translate the gesture to a gesture signal, wherein the processor is configured to control navigation through a data space in response to the gesture signal, wherein the data space is a data-representational space comprising a dataset represented in the physical space.