Equilibrium[x, y, ...] displays as x \[Equilibrium] y \[Equilibrium] ....
ErrorBox[boxes] is a low-level box construct that represents boxes that cannot be interpreted in input or output.
EventLabels is an option to CandlestickChart, KagiChart, and similar functions that specifies events to labels.
FaceGrids is an option for three-dimensional graphics functions that specifies grid lines to draw on the faces of the bounding box.
FeedbackType is an option for some control system functions that specifies the feedback type.
FileNames[] lists all files in the current working directory. FileNames[form] lists all files in the current working directory whose names match the string pattern form. ...
FileType["file"] gives the type of a file, typically File, Directory, or None.
FischerGroupFi24Prime[] represents the sporadic simple Fischer group Fi_24'.
ForwardBackward is a symbol that represents alternate forward and backward motion or animation.
Forward
(Built-in Mathematica Symbol) Forward is a symbol that represents the forward direction for purposes of motion and animation.