GMail
Definition:
GMail is Google's free, web-based email. GMail is unique in that you do not need to install any software to use it. Rather, you just need an Internet connection and a web browser. Some features of GMail not found in other email software packages include the ability to tag email and the displaying of multiple back and forth emails with the same subject as a conversation. GMail also touts one of the largest storage capacities of any of the web-based email providers.
Here's a word you may not know...
UPS
An Uninterruptible Power Supply, or UPS, is a device that can supply battery power to any electrical devices plugged into it. You will typically find a UPS connected to a computer or server to keep it running during a power outage. Battery time varies for each UPS and is usually proportional to the price tag. A smaller, home-based UPS usually provides enough battery power to sound an alarm and give a person enough time to save open files and safely shut down his or her computer. Conversely, an enterprise UPS will provide enough battery power for an entire room full of servers to run for an extended period of time.