WindowClickSelect (Built-in Mathematica Symbol)

WindowClickSelect is a notebook option that specifies whether the window for the notebook should become selected if you click it.

WindowOpacity (Built-in Mathematica Symbol)

WindowOpacity is a notebook option that determines the overall opacity of a displayed window.

$AssertFunction (Built-in Mathematica Symbol)

$AssertFunction specifies a function to apply to assertions that fail.

$DisplayFunction (Built-in Mathematica Symbol)

$DisplayFunction gives the default setting for the option DisplayFunction in graphics functions.

Interrupting Calculations (Mathematica Tutorial)

There will probably be times when you want to stop Mathematica in the middle of a calculation. Perhaps you realize that you asked Mathematica to do the wrong thing. Or ...

UTF8String_disown (Mathematica LibraryLink C Function)

void UTF8String_disown (char*s) disowns a string argument.

ExposeWidgetReferences (GUIKit Package Symbol)

ExposeWidgetReferences is an option to Widget which specifies a list of normally internal \:f3b5children widget reference names to include as publicly available instances.

Sinusoid (Audio Package Symbol)

Sinusoid is a type of waveform.

Permutations (Combinatorica Package Guide)

Subsets and Permutations (Combinatorica Package Guide)