\[DoubleUpDownArrow] (Mathematica Character Name)

Unicode: 21D5. Infix arrow operator. x ⇕ y is by default interpreted as DoubleUpDownArrow[x,y]. Extensible character.

\[DownArrowBar] (Mathematica Character Name)

Unicode: 2913. Infix arrow operator. x ⤓ y is by default interpreted as DownArrowBar[x,y]. Sometimes used as an indicator of depth. Extensible character.

\[DownArrowUpArrow] (Mathematica Character Name)

Unicode: 21F5. Infix arrow operator. x ⇵ y is by default interpreted as DownArrowUpArrow[x,y]. Extensible character.

\[DownBreve] (Mathematica Character Name)

Unicode: F755. Alias: Esc dbv Esc. Letter-like form. Used in an overscript position as a diacritical mark.

\[DownExclamation] (Mathematica Character Name)

Unicode: 00A1. Alias: Esc d! Esc. Letter-like form. Used in Spanish.

\[DownLeftRightVector] (Mathematica Character Name)

Unicode: 2950. Infix arrow-like operator. x ⥐ y is by default interpreted as DownLeftRightVector[x,y]. Extensible character.

\[DownLeftTeeVector] (Mathematica Character Name)

Unicode: 295E. Infix arrow-like operator. x ⥞ y is by default interpreted as DownLeftTeeVector[x,y]. Extensible character.

\[DownLeftVectorBar] (Mathematica Character Name)

Unicode: 2956. Infix arrow-like operator. x ⥖ y is by default interpreted as DownLeftVectorBar[x,y]. Extensible character.

\[DownLeftVector] (Mathematica Character Name)

Unicode: 21BD. Infix arrow-like operator. x ↽ y is by default interpreted as DownLeftVector[x,y]. Extensible character.

\[DownQuestion] (Mathematica Character Name)

Unicode: 00BF. Alias: Esc d? Esc. Letter-like form. Used in Spanish.