RCA connectors can be used for both composite (1 connector)
video and component (3 connector) video. The quality order is:
BASIC - Composite (1 RCA wire, Yellow)
BETTER - S-Video (1 wire, usually black)
BEST - Component (3 RCA wires, Red, Green Blue)
Composite can only send standard definition video, up to
480i.
S-Video can only send standard definition video, up to 480i.
Component can send video up to 1080i High Definition.