The International Radiotelephony Spelling Alphabet, also known as the NATO phonetic alphabet, is a standardized set of words used to represent letters in voice communication. This system helps to avoid misunderstandings, especially in noisy environments or over radio transmissions. Each letter of the alphabet is assigned a specific word, such as "Alpha" for A, "Bravo" for B, and "Charlie" for C. Originally developed for military use, the alphabet is now widely adopted in aviation, maritime, and emergency services. It enhances clarity and ensures that critical information is accurately conveyed. The use of this alphabet is essential for effective communication in international contexts.