CellDynamicExpression is an option for cells that specifies an expression to be dynamically updated whenever the cell is visible on-screen.
CellEpilog is an option for Cell which gives an expression to evaluate after each ordinary evaluation of the contents of the cell.
ClearSystemCache[] clears internal system caches of stored results.
DefaultFaceGridsStyle is a low-level option for 3D graphics functions that specifies the default style to use in rendering face grids.
DefaultFieldHintStyle is a low-level option for InputField that specifies the default style to use for displaying the field hint.
DefaultFrameTicksStyle is a low-level option for 2D graphics functions that specifies the default style to use in rendering frame ticks.
DefaultGridLinesStyle is a low-level option for 2D graphics functions that specifies the default style to use in rendering grid lines.
DefaultMenuStyle is a low-level option for menu-generating constructs that specifies the default style to use for displaying menu items.
Deletable is an option for Cell that specifies whether the cell can be deleted interactively using the front end.
DifferentialD[x] displays as \[DifferentialD]x.