XPOWER METER CRANK ARM:What do “L / R / 2X” in the naming of power meter crank arm represent respectively?

The letters and identifiers in the naming are used to distinguish the type and left/right position of the power meter, with specific meanings as follows:
L: Represents the left-side power meter (Left).
R: Represents the right-side power meter (Right).
2XPOWER: Represents the power meter dual-sided.
XPOWER: Represents the power meter single-sided.