Listed buildings are those that have been identified as having special architectural or historical significance and are therefore protected by law. There are several words that can be used interchangeably with "listed building," each with its own nuances and connotations. Some synonyms for "listed building" include heritage building, historical edifice, registered structure, and protected monument. Each of these terms emphasizes different aspects of the building's importance: "heritage" suggests a connection to cultural or national identity, while "historical" emphasizes the building's age and association with a particular time period. "Registered structure" implies a formalized process of documentation and recognition, while "protected monument" speaks to the building's status as a treasured and valuable piece of history.