The DVI specification provides for one or two video links per connector, also known as Single link DVI and Dual link DVI. Connector types: DVI-D (digital only), DVI-A (analog only), DVI-I (integrated, digital & analog).   The HDMI connector contains a single TMDS link plus DDC and HPD lines. HDMI supports CEC connection.   The 8 Position 8 Contact connectors are commonly used for Ethernet over twisted pair, Registered jacks and other telephone  applications.
Display Port   Optical   75 ohm coax
DisplayPort is designed to replace digital (DVI) and analog component video (VGA) connectors in computer monitors and video cards. DisplayPort can provide the same functionality as HDMI.   Fibers used in long-distance telecommunications applications. Fiber connector types:  
LC (Local Connector), SC (Standard Connector), ST (Straight Tip), NT (Neutrik opticalCON).
  BNC connector is a very common type of RF connector used for terminating coaxial cable.
The 15-pin VGA connector is found on many video cards, computer monitors, and some high definition television sets.