This document provides an overview of hors d'oeuvres and appetizers, including their definition, classification, and examples. It discusses how hors d'oeuvres are small, light preparations served before the main course to stimulate appetite. Various types of hors d'oeuvres are classified, such as meat-based, fish-based, egg-based, and vegetable-based. Hot and cold hors d'oeuvres are also described. The document further explains zakuski and canapés, providing classical examples of each.