\[FilledRectangle] (Mathematica Character Name)

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

\[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].

\[FilledSquare] (Mathematica Character Name)

Unicode: 25A0. Alias: Esc fsq Esc. Letter-like form. Used as a dingbat. Not the same as \[SelectionPlaceholder].

\[FilledVerySmallSquare] (Mathematica Character Name)

Unicode: 25AA. Alias: Esc fvssq Esc. Letter-like form. Used as a dingbat.

\[Gamma] (Mathematica Character Name)

Unicode: 03B3. Aliases: Esc g Esc, Esc gamma Esc. Greek letter. Used in TraditionalForm for EulerGamma and StieltjesGamma.

\[Gimel] (Mathematica Character Name)

Unicode: 2137. Alias: Esc gi Esc. Hebrew letter. Used occasionally in pure mathematics in the theory of transfinite cardinals.

\[GrayCircle] (Mathematica Character Name)

Unicode: F753. Alias: Esc gci Esc. Letter-like form. Used as a dingbat. Generated internally by Mathematica, rather than being an explicit font character.

\[GraySquare] (Mathematica Character Name)

Unicode: F752. Alias: Esc gsq Esc. Letter-like form. Used as a dingbat. Generated internally by Mathematica, rather than being an explicit font character.

\[HBar] (Mathematica Character Name)

Unicode: 210F. Alias: Esc hb Esc. Letter-like form. Used in physics to denote Planck's constant divided by 2π; sometimes called Dirac's constant.