Help desk is a broadly-applied term referring a staffed resource--often, an actual desk, or a telephone service--that can help persons answer questions or to use resources such as audio-visual or computer resources.
... Francis Drake, (c. 1540-1596), pirate, leader of the second circumnavigation
Jules Dumont d'Urville, (1790-1842), explorer of the Pacific and Antarctica
E
Eric th ...