Campanili are the tall towers or spires that hold bells, typically found in churches. Synonyms for campanili include bell towers and belfries, both of which refer to the structure that houses bells. Another term that can be used is steeple, which usually refers to a tall, pointed structure on a church that may or may not house bells. Minarets, commonly found on mosques, are also similar in function to campanili, serving as structures that call worshippers to prayer. While these terms may differ slightly in their historical and religious context, they all convey the idea of a tall tower or spire that serves a specific function within a place of worship.