The letter 'b' can refer to several contexts depending on its usage. In the English alphabet, 'b' is the second letter and represents a voiced bilabial stop sound. In musical notation, 'B' refers to a specific note. Additionally, in grading systems, a 'B' often indicates above-average performance.
The letter ‘b’ comes from the Latin alphabet, which derived it from the Greek letter beta. The shape of 'b' has varied over time, originating from the Phoenician letter 'beth' which meant "house".