14 Patterns in Human Geography Population density is the measurement of the number of people in a particular area. Imagine all the students in your classroom. Each student has a desk or table to work at and a chair to sit on. Everyone has a comfortable amount of space around him or her to make working or talking easier.
A cellphone widget is a shortcut for a mobile phone application. It usually appears on the phone's home screen and connects the user quickly and efficiently to the app. Keep Learning.
Chances are, they're talking about a BlackBerry smartphone. A BlackBerry is a smartphone made by the Canadian company Research In Motion. BlackBerry phones are known for their excellent e-mail handling and are often thought of as business-centric devices. BlackBerry handhelds actually started out as data-only devices, meaning they could not be used to make phone calls.