The letter “m” is the thirteenth letter of the English alphabet. It is a consonant and is pronounced as “em.” In written form, the letter “m” typically appears as a series of three vertical lines. It is a relatively common letter in English and is used in many words. The letter “m” is used to represent various sounds in different languages. In English, it is used at the beginning, middle, and end of words, such as “mom,” “program,” and “system.” It is also used in many common prefixes and suffixes, such as “multi-” and “-ism.”

In addition to its use in language, the letter “m” is often used as a symbol or abbreviation for various concepts. For example, it is used to represent the symbol for the meter, a unit of measurement for length, and it is also used as an abbreviation for “million” in various contexts.