NotCupCap[x, y, ...] displays as x \[NotCupCap] y \[NotCupCap] ....
NotGreaterLess[x, y, ...] displays as x \[NotGreaterLess] y \[NotGreaterLess] ....
NotLessGreater[x, y, ...] displays as x \[NotLessGreater] y \[NotLessGreater] ....
NotPrecedes[x, y, ...] displays as x \[NotPrecedes] y \[NotPrecedes] ....
SquareSubsetEqual[x, y, ...] displays as x \[SquareSubsetEqual] y \[SquareSubsetEqual] ....
SquareSupersetEqual[x, y, ...] displays as x \[SquareSupersetEqual] y \[SquareSupersetEqual] ....
StartupSound is a global option that specifies whether Mathematica plays a sound when it is launched.
VerticalTilde[x, y, ...] displays as x\[VerticalTilde]y\[VerticalTilde]....
LimitsPositioningTokens is an option for selections that specifies a set of characters for which the option LimitsPositioning is set to True by default.
The hierarchy of levels at which options can be set. Here is a notebook containing three cells. This is what happens when the setting CellFrame->True is made specifically for ...