1. A communication system, implemented by physical and tangible functionality, for indicating a direction of awareness of a first entity, comprising: an explicit control processing module configured to receive an explicit control input from at least one explicit input mechanism, and in response, provide an explicit control output, the explicit control input reflecting an express indication of the direction of awareness of the first entity; an implicit control processing module configured to receive an implicit control input from at least one implicit input mechanism; and an output mechanism configured to adjust a position of an indicator based on the selected control output, the indicator assisting at least one second entity in determining the direction of awareness of the first entity; wherein the communication system provides a selected control output according to the explicit control output.