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.
A smartphone is a mobile phone that includes advanced functionality beyond making phone calls and sending text messages. Most smartphones have the capability to display photos, play videos, check and send e-mail, and surf the Web.his increase in smartphone availability has led to a corresponding decline in the usage of standard PDAs, which do not include phone capabilities. Since smartphones have a wide range of functionality, they require advanced software, similar to a computer operating system.