HDMI

Definition:

HDMI stands for High Definition Multimedia Interface and is an interface commonly used to connect two high definition devices, such as a Blu-ray DVD player and a high definition television. HDMI transmits a digital signal and is convenient in that in carries both audio and video with one connection.

Here's a word you may not know...

roaming

Roaming occurs on mobile phones when the mobile phone is communicating with another cellular network outside of its geographic area. If the two cellular networks have an agreement with one another, the mobile phone is allowed to utilize the neighboring network. Some cellular providers charge a premium when placing calls while roaming on another cellular network. Your mobile phone should indicate when it is roaming.