Ｄ

noun

D; d

The letter D/d itself, used as a symbol, grade, musical note, or in abbreviations.

• 成せい績せきはＡ、Ｂ、Ｃ、Ｄの４段だん階かいです。

  Grades are on a four-level scale: A, B, C, D.

• この曲きょくはＤメジャーで始はじまる。

  This piece starts in D major.

noun

director

Colloquial abbreviation for ディレクター (director), used in film, TV, or project contexts.

• 今こん回かいのＣＭは、あの有ゆう名めいなＤが手てがけたらしい。

  I heard that famous director worked on this commercial.