Appetizers, also known as starters or hors d'oeuvres, are small dishes served before the main course of a meal. They are meant to stimulate the appetite and provide a preview of the flavors to come. Appetizers can be served at various types of gatherings, including dinners, parties, and social events. They come in a wide range of forms and can be hot or cold, simple or complex. Some common types of appetizers include: