leadership conference; summit meeting; top-level conference
peace conference; peace talks
three-cornered conversation
summit meeting; summit conference; top-level meeting
direct discussion; direct talks
telephone conference (between heads of state, etc.)
foreign ministerial conference; meeting of foreign ministers
Yalta Conference (February 1945)
ambassador-level conference
Potsdam Conference (conference regarding the postwar occupation of Germany; July-August 1945)
disarmament conference; disarmament talks; arms reduction talks
online conference; virtual summit; online talks