D

D, the fourth letter of the Latin alphabet, is a fundamental component of the modern English alphabet and numerous other western European languages. Its name in English is pronounced as 'dee', with the plural form being 'dees'. The letter D is a consonant letter, used to form a wide range of words in the English language. The letter D is used in various languages, including English, French, and Spanish. The International Phonetic Association has developed a standardized system for transcribing the sounds of languages, including the sound of the letter D.