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Queen's Pawn Game: Accelerated London System is a chess opening that arises after 1.d4 d5 2.Bf4. It is classified D00 in the ECO system, and the position after these moves has black to move.
This line is a variation within the Queen's Pawn Game family. The strategic ideas above describe the family as a whole; this particular line reaches them by the move order 1.d4 d5 2.Bf4.
Each of these is a named opening reached by playing on from 1.d4 d5 2.Bf4. Open any of them to load the position on the board.