The letter “i” is the ninth letter of the English alphabet. It is a vowel and is pronounced as “eye.” In written form, it is typically a vertical line with a dot above it. In addition to its use in the English language, the letter “i” is used in many other languages around the world, often with similar vowel sounds. In some languages, such as Spanish and Italian, the letter “i” can also function as a consonant. The letter “i” is also commonly used as an abbreviation for words such as “information” or “internet,” as well as in mathematical equations to represent imaginary numbers.