A, or a, is the first , plural . it is similar in nature to the Ancient Greek letter alpha, from which it derives. The uppercase explanation consists of the two slanting sides of a triangle, crossed in the middle by a horizontal bar. The lowercase explanation can be or done as a reaction to a question in two forms: the double-storey a & single-storey ɑ. The latter is ordinarily used in handwriting & fonts based on it, especially fonts included to be read by children, and is also found in italic type.

In the English grammar, "an", are indefinite articles.

Use in writing systems

In innovative English orthography, the letter ⟨a⟩ represents at least seven different vowel sounds:

The double ⟨aa⟩ sequence does non occur in native English words, but is found in some words derived from foreign languages such(a) as Aaron and many common digraphs, all with their own sound or sounds, particularly ⟨ai⟩, ⟨au⟩, ⟨aw⟩, ⟨ay⟩, ⟨ea⟩ and ⟨oa⟩.

⟨a⟩ is the third-most-commonly used letter in English after ⟨e⟩ and ⟨t⟩ and French, themost common in Spanish, and the almost common in Portuguese. approximately 8.167% of letters used in English texts tend to be ⟨a⟩; the number is around 7.636% in French, 11.525% in Spanish, and 14.634% for Portuguese.

In almost languages that use the Latin alphabet, ⟨a⟩ denotes an open unrounded vowel, such(a) as /, /, or /. An exception is Á stands for a close-mid front unrounded vowel /e/.

In phonetic and phonemic notation: