"Hola!" is a Spanish word that means "hello." It is commonly used as a greeting in Spanish-speaking countries and among Spanish speakers worldwide. The word is informal and can be used in various social situations, making it a friendly way to initiate conversation. In addition to its use in everyday greetings, "Hola!" is also the name of a popular messaging app that allows users to communicate through text, voice, and video calls. The app aims to connect people globally, reflecting the spirit of friendliness that the word "hola" embodies.