Unicode: 0165. Alias: Esc tv Esc. Letter. Included in ISO Latin-2.
Unicode: 03B8. Aliases: Esc th Esc, Esc theta Esc, Esc q Esc. Greek letter. Not the same as \[DiscreteRatio].
Unicode: 2009. Alias: Esc ␣␣ Esc. Spacing character. Width: 3/18 em. Interpreted by default just like an ordinary \[RawSpace].
Unicode: 22C3. Alias: Esc un Esc. Infix operator with built-in evaluation rules. x ⋃ y is by default interpreted as Union[x,y]. The character ⋃ is sometimes called 'cup'. Not ...
Unicode: 200A. Alias: Esc ␣ Esc. Spacing character. Width: 1/18 em. Interpreted by default just like an ordinary \[RawSpace].
Unicode: 017E. Alias: Esc zv Esc. Letter. Included in ISO Latin-2.
AngleBracket[x, y, ...] displays as \[LeftAngleBracket]x, y, ...\[RightAngleBracket].
BabyMonsterGroupB[] represents the sporadic simple baby monster group B.
ConwayGroupCo1[] represents the sporadic simple Conway group Co_1.
FischerGroupFi24Prime[] represents the sporadic simple Fischer group Fi_24'.