EventHandler[expr, {"event_1" :> action_1, "event_2" :> action_2, ...}] displays as expr, evaluating action_i whenever "event_i" occurs in connection with expr.

$SoundDisplayFunction gives the default setting for the option DisplayFunction in sound functions.

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It is always a good idea to give variables and functions names that are as explicit as possible. Sometimes, however, such names may get inconveniently long. In Mathematica, ...

When you define a complicated function, you will often want to let some of the arguments of the function be "optional". If you do not give those arguments explicitly, you ...

Mathematica has a wide coverage of named functions defined by sums and recurrence relations. Often using original algorithms developed at Wolfram Research, Mathematica ...

Extensively used within the Mathematica system itself, MathLink is Mathematica's unique high-level symbolic interface standard for interprogram communication. With convenient ...

VertexLabels is an option and property for Graph and related functions that specifies what labels and label positions should be used for vertices.

NotebookEvaluate[notebook] evaluates all the evaluatable cells in notebook.

"FileNameDialog" is a front end token that opens a dialog for inserting a file path.