What does "the forklift load chart shows a rating of 2220 kg at a 600 mm load center" mean?

That the forklift will safely lift up to 2220 kg provided that the center of gravity of the load is not more than 600 mm forward from the face (heel) of the forksThat the forklift will safely lift up to 2220 kg provided that the center of gravity of the load is not more than 600 mm forward from the face (heel) of the forksThat the forklift will safely lift up to 2220 kg provided that the center of gravity of the load is not more than 600 mm forward from the face (heel) of the forksThat the forklift will safely lift up to 2220 kg provided that the center of gravity of the load is not more than 600 mm forward from the face (heel) of the forksThat the forklift will safely lift up to 2220 kg provided that the center of gravity of the load is not more than 600 mm forward from the face (heel) of the forksThat the forklift will safely lift up to 2220 kg provided that the center of gravity of the load is not more than 600 mm forward from the face (heel) of the forksThat the forklift will safely lift up to 2220 kg provided that the center of gravity of the load is not more than 600 mm forward from the face (heel) of the forksThat the forklift will safely lift up to 2220 kg provided that the center of gravity of the load is not more than 600 mm forward from the face (heel) of the forks