ComposeList[{f_1, f_2, ...}, x] generates a list of the form {x, f_1[x], f_2[f_1[x]], ...}.
DragAndDrop is a global front end option that specifies whether to allow drag-and-drop editing.
Exit
(Built-in Mathematica Symbol) Exit[] terminates a Mathematica kernel session.
FrontEndTokenExecute["cmd"] executes the specified front end command token, typically corresponding to a front end menu item.
Full
(Built-in Mathematica Symbol) Full is a setting used for certain options, typically indicating that a full range of values should be included.
GridFrame is an option for grids that specifies whether a surrounding frame is drawn.
HypothesisTestData[...] represents hypothesis test data such as generated by DistributionFitTest, AndersonDarlingTest, etc.
Interrupt[] generates an interrupt.
KarhunenLoeveDecomposition[{a_1, a_2, ...}] gives the Karhunen\[Dash]Loeve transform {b_1, b_2, ...} of the numerical arrays {a_1, a_2, ...} and the transformation matrix m, ...
LayerSizeFunction is an option for TreePlot that gives a function to specify the relative height to allow for each layer.