DragAndDrop is a global front end option that specifies whether to allow drag-and-drop editing.
ScreenRectangle is a global option that specifies the position of the screen by giving the coordinates of two diagonally opposite corners.
WindowMovable is a notebook option that specifies whether to allow the window for the notebook to be moved around interactively on the screen.
WindowOpacity is a notebook option that determines the overall opacity of a displayed window.
$DisplayFunction gives the default setting for the option DisplayFunction in graphics functions.
$ParentLink is the MathLink LinkObject currently used for input and output by the Mathematica kernel in a particular session.
There are a number of functions built into Mathematica which, like Plot, have various options you can set. Mathematica provides some general mechanisms for handling such ...
Deployed is an option for displayed objects, cells, and notebooks that specifies whether their contents should be considered deployed, so that elements such as Slider, ...
Evaluator is an option for objects such as Button, Dynamic, and Cell that gives the name of the kernel to use to evaluate their contents.
NotebookClose[notebook] closes the notebook corresponding to the specified notebook object. NotebookClose[] closes the current evaluation notebook.