\[ExponentialE] (Mathematica Character Name)

Unicode: F74D. Alias: Esc ee Esc. Letter-like form with built-in value.  is interpreted by default as the symbol E, representing the exponential constant.

\[FiLigature] (Mathematica Character Name)

Unicode: FB01.

\[FilledCircle] (Mathematica Character Name)

Unicode: 25CF. Alias: Esc fci Esc. Letter-like form. Used as a dingbat.

\[FilledDiamond] (Mathematica Character Name)

Unicode: 25C6. Letter-like form.

\[FilledDownTriangle] (Mathematica Character Name)

Unicode: 25BC. Letter-like form.

\[FilledLeftTriangle] (Mathematica Character Name)

Unicode: 25C0. Letter-like form.

\[FilledRectangle] (Mathematica Character Name)

Unicode: 25AE. Letter-like form. Used in mathematics to indicate the end of a proof.

\[FilledRightTriangle] (Mathematica Character Name)

Unicode: 25B6.

\[FilledSmallCircle] (Mathematica Character Name)

Unicode: F750. Alias: Esc fsci Esc. Letter-like form. Used as a dingbat.

\[FilledSmallSquare] (Mathematica Character Name)

Unicode: 25FC. Alias: Esc fssq Esc. Letter-like form. Used as a dingbat. Not the same as \[SelectionPlaceholder].