Initialisms are abbreviations formed from the first letters of a series of words, where each letter is pronounced individually. For example, the term FBI stands for the Federal Bureau of Investigation. Initialisms are commonly used in everyday language to simplify longer phrases, making communication quicker and more efficient. Unlike acronyms, which are pronounced as single words (like NASA), initialisms require you to say each letter separately. They are often found in various fields, including government, technology, and business. Understanding initialisms can help you navigate conversations and texts more easily, especially in professional or technical contexts.