BarOrigin is an option to BarChart and related functions that specifies the origin placement for bars.
BaseStyle is an option for formatting and related constructs that specifies the base style to use for them.
ButtonBox[boxes] is a low-level box construct that represents a button in a notebook expression.
Check
(Built-in Mathematica Symbol) Check[expr, failexpr] evaluates expr, and returns the result, unless messages were generated, in which case it evaluates and returns failexpr. Check[expr, failexpr, ...
Delete
(Built-in Mathematica Symbol) Delete[expr, n] deletes the element at position n in expr. If n is negative, the position is counted from the end. Delete[expr, {i, j, ...}] deletes the part at position {i, ...
Dialog
(Built-in Mathematica Symbol) Dialog[] initiates a dialog. Dialog[expr] initiates a dialog with expr as the current value of %.
Dimensions[expr] gives a list of the dimensions of expr. Dimensions[expr, n] gives a list of the dimensions of expr down to level n.
EdgeForm[g] is a graphics directive which specifies that edges of polygons and other filled graphics objects are to be drawn using the graphics directive or list of ...
Exclusions is an option that specifies where to exclude in regions used by functions like Plot, Plot3D, and NIntegrate.
ExpandNumerator[expr] expands out products and powers that appear in the numerator of expr.