Here are images of commonly used camera cables in video making.
RCA cables: Used for older audio/visual equipment. The yellow plug carries video signals. The red and white are audio.
XLR cables: Used for microphones/professional audio. The cables carry a balanced signal.
Mini plug: Used for audio. Two black rings on the plug indicate stereo signal capability.
1/4″ audio cable: Used for audio. Two black rings indicate stereo signal capability.
USB cables: See here for various USB cable types. USB cables connect computers and devices for data transfer.
HDMI cables: HDMI cables are the modern standard for connecting audio/visual devices. The cables carry both digital audio and visual signals.
S-video cable: An S-video cable is used for a standard definition video connection. It carries video signals only; separate audio cables are needed.
Firewire cable: Used for video transfer, usually from tape-based camcorder to DV recorder.