Carrara Marble: A type of high-quality white marble that was used extensively in ancient Roman architecture, including the construction of the Column of Trajan.
Dacia: An ancient region located in present-day Romania, which was conquered by Emperor Trajan and celebrated on the reliefs of the Column of Trajan.
Triumphal Arch: A monumental archway often erected to commemorate military victories or significant events. The Column of Trajan can be seen as a vertical version of a triumphal arch.