elf

an imaginary being, often like a small person with pointed ears, in popular stories

abbreviation for English as a lingua franca: the type of English used by speakers of other languages as a way of communicating among themselves

abbreviation for executable and linkable format: a system for storing and moving computer files that contain programs

a small, imaginary person, usually shown in pictures dressed in green with pointed ears and a tall hat, and often described in stories as playing tricks and having magical powers