HTHL: Horizontal takeoff, horizontal landing
VTHL: Vertical takeoff, horizontal landing
VTVL: Vertical takeoff, vertical landing
SSTO: Single-stage-to-orbit
TSTO: Two-stage-to-orbit
LEO: Low Earth orbit
List of space launch system designs covers designs and concepts for rockets and other vehicles for sending payloads into space.
This is a list of plans, concepts, and/or proposals for launch systems such as rockets and reusable spaceplanes, typically for orbiting the Earth. Plans may mature into an actual launch system, or may not be developed.