. . . "The set 174 of sinks includes an audio sink 190 (e.g., an audio rendering device, such as a speaker or headphones), a video sink 192 (e.g., a video rendering device, such as a display monitor), a chat sink 194 (e.g., a text rendering device, such as a display monitor), a motion data sink 196 (e.g., a movement rendering device, such as a display monitor), and an ???other??? sink 198 (e.g., a printe" . .