The Ancient Irish Alphabet is composed of several different writing systems, including Ogham (5 letters), Tara (4 letters), ERSE (4 letters), Runes (5 letters), and RUNE (4 letters). Ogham is an alphabet consisting of twenty characters, each representing a letter of the Latin alphabet. Tara is a form of writing used in ancient Ireland, which was inscribed on stones and monuments. ERSE is an ancient form of Gaelic, the language of the Celts. Runes are an alphabet of symbols used by the Germanic peoples of Northern Europe. RUNE is a form of writing used by the Norse people of Scandinavia. Ogam is an early form of writing used by the Celts of Ireland and Britain.