A speaker's platform is a raised area or stage used by a speaker to address an audience. It is also known as a ROSTRUM, DAIS, BEMA, PODIUM, or RISER. A ROSTRUM is a raised platform with a lectern or microphone stand, typically used by a public speaker. A DAIS is a raised platform at the front of a room, often used for speeches or presentations. A BEMA is a raised platform in a synagogue, typically used by the rabbi or cantor. A PODIUM is a raised platform with steps on which a speaker stands to deliver a speech or lecture. A RISER is a raised platform used to provide visibility to a speaker or performer.