DownLeftVectorBar[x, y, ...] displays as x\[DownLeftVectorBar]y\[DownLeftVectorBar]....
DownLeftVector[x, y, ...] displays as x \[DownLeftVector] y \[DownLeftVector] ....
DownRightTeeVector[x, y, ...] displays as x \[DownRightTeeVector] y \[DownRightTeeVector] ....
DownRightVectorBar[x, y, ...] displays as x\[DownRightVectorBar]y\[DownRightVectorBar]....
DownRightVector[x, y, ...] displays as x \[DownRightVector] y \[DownRightVector] ....
DownTeeArrow[x, y, ...] displays as x\[DownTeeArrow]y\[DownTeeArrow]....
DynamicModuleValues is an option for DynamicModule that stores downvalues of local symbols.
EqualTilde[x, y, ...] displays as x \[EqualTilde] y \[EqualTilde] ....
ErrorBoxOptions -> {opt_1 -> val_1, opt_2 -> val_2, ...} applies options and corresponding values.
EvaluationCompletionAction is an option for notebooks that specifies the action taken when an evaluation is completed.