Absolute Beginners > Starting an Application
You can launch an application simply by clicking its icon in the Dock. When you have opened an application a light is shown under the applications icon in the Dock. If the application does not have an icon in the Dock simply open Finder then click Applications under the Places header.
Once an application is open you will see three circles in the top left corner of the application window. The red circle closes the application. The yellow circle minimises the application to the Dock. The green circle maximises the application.