Google Calendar

Definition:

Google Calendar is Google's free, web-based calendar. Google Calendar allows you to store all of your appointments online so they can be accessed from anywhere with just an Internet connection and a web browser. Google Calendar allows you to maintain more than one calendar as well as publish your calendar as a public calendar or integrate other public calendars into your personal calendar.

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

aspect ratio

The aspect ratio of an image or other object is simply its width divided by its height. Traditional standard definition pictures have a 4:3 aspect ratio, where 4 represents the width and 3 represents the height. High definition pictures have a 16:9 aspect ratio.