An "Expo" is a large-scale international exhibition where countries and organizations showcase their achievements, innovations, and cultures. These events often focus on a specific theme, such as technology, sustainability, or art, and provide a platform for networking, education, and cultural exchange. Expos are typically held every few years in different locations around the world, with notable examples including the World Expo and the Specialized Expo. They attract millions of visitors, offering interactive exhibits, performances, and presentations that highlight advancements and ideas from various fields.