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.
An Android device is a device that runs on the Android operating system. Android is an array of software intended for mobile devices that features an operating system, core applications and middleware. An Android device may be a smartphone, tablet PC, e-book reader or any type of mobile device that requires an OS. Android is developed by the Open Handset Alliance, which is led by Google. Some of the well-known Android device manufacturers include Acer, HTC, Samsung, LG, Sony Ericsson and Motorola.