A podium or dais was a raised platform on which one stood while making a speech.
In 2161, Daniels showed Jonathan Archer where he was standing, to the left of the dais, on the day of the founding of the Federation. (ENT: "Zero Hour")
In 2369, Kira Nerys detected the source of a power drain on Deep Space 9 near an auction podium in Quark's. (DS9: "Q-Less")
In 2372, Benjamin Sisko told Shakaar Edon that guards would escort him to the podium when he was ready. Later, Odo remarked that they should have removed him from the podium as soon as word came of an assassination plot against the Bajoran. (DS9: "Crossfire")