词汇网络: initialisms

An initial is the first letter of a person's name, or the first letter of any word. In professional and legal contexts, initials are often written as a shorthand signature to verify or approve specific parts of a document.

A word formed from the initial letters of a name or phrase, which is pronounced as a single word rather than as individual letters. For example, NASA is an acronym for the National Aeronautics and Space Administration.

A system of words, letters, figures, or other symbols used to represent others, especially for the purposes of secrecy or computer programming. It also refers to a set of rules or principles that a group of people agree to follow.