A commemorative plaque is a dedicated marker or emblem that honors and celebrates a historical event, person, or achievement. There are several synonyms for the term, such as memorabilia plate, remembrance board, tribute sign, memorial tablet, and commemoration plaque. A memorial tablet is a rectangular piece of stone or metal that is engraved and usually attached to a wall or a monument as a tribute to a person or event. A remembrance board is similar to a commemorative plaque, but it has a more general application and can be used to honor several individuals or events. A tribute sign is a marker that acknowledges and celebrates someone's contributions or achievements, usually with a brief message of appreciation. Finally, a memorabilia plate is a small decorative item that is often used to commemorate a special event, such as a wedding, anniversary, or birthday.