SetOptions[s, name_1 -> value_1, name_2 -> value_2, ...] sets the specified default options for a symbol s. SetOptions[stream, ...] or SetOptions["name", ...] sets options ...
SetPrecision[expr, p] yields a version of expr in which all numbers have been set to have precision p.
SetProperty[{obj, item}, name -> value] sets the property name -> value for item in obj.
SetSelectedNotebook[notebook] makes the specified notebook be the currently selected one in the front end.
SetSharedFunction[f_1, f_2, ...] declares the symbols f_i as shared functions whose downvalues are synchronized among all parallel kernels.
SetSharedVariable[s_1, s_2, ...] declares the symbols s_i as shared variables whose values are synchronized among all parallel kernels.
SetStreamPosition[stream, n] sets the current point in an open stream.
SetSystemOptions["name" -> value] resets the value for the internal system option with the specified name.
SetterBar[x, {val_1, val_2, ...}] represents a setter bar with setting x and with setter buttons for values val_i.SetterBar[Dynamic[x], {val_1, val_2, ...}] takes the setting ...
Setter
(Built-in Mathematica Symbol) Setter[x, val] represents a setter button whose setting x is set to val when the button is clicked. The button is labeled with val, and appears pressed if the value of x is ...