SynchronousUpdating is an option for Manipulate, Dynamic, and related functions that specifies whether or not to evaluate their contents synchronously.
True
(Built-in Mathematica Symbol) True is the symbol for the Boolean value true.
$PrePrint is a global variable whose value, if set, is applied to every expression before it is printed.
int MTensor_clone (MTensor f, MTensor *t) is a library callback function that puts a clone of f into *t.
TableauQ[t] yields True if and only if t represents a Young tableau.
"CellSplit" is a front end token that splits a cell into two or three cells.
Boole
(Built-in Mathematica Symbol) Boole[expr] yields 1 if expr is True and 0 if it is False.
DeleteFile["file"] deletes a file. DeleteFile[{"file_1", "file_2", ...}] deletes a list of files.
Exit
(Built-in Mathematica Symbol) Exit[] terminates a Mathematica kernel session.
IntervalMemberQ[interval, x] gives True if the number x lies within the specified interval, and False otherwise. IntervalMemberQ[interval_1, interval_2] gives True if ...