What is the short definition Columbian Exchange?

The Columbian Exchange refers to the widespread transfer of plants, animals, goods, culture, human populations, and diseases between the Americas and the Old World (Europe, Africa, and Asia) following Christopher Columbus's voyages in the late 15th century. This exchange significantly impacted agriculture, biodiversity, and the Demographics of both regions, leading to profound social and economic changes. It facilitated the introduction of new crops and livestock, while also resulting in the spread of diseases that devastated Indigenous populations in the Americas.