B
In short
The second letter of the Latin alphabet and the modern English alphabet.
In plain words
It is a symbol used in writing to represent a specific sound. It comes after A and before C in the standard order.
A simple example
You use it to start words like 'ball', 'book', or 'blue'. It can be written in uppercase as B or lowercase as b.
Why it matters
It is a fundamental building block for reading and writing in many languages. Without it, many common words could not be spelled correctly.
Easy to mix up
It is often confused with the number 8 or the letter D if the handwriting is messy.