1. having all the required or desirable elements, qualities, or characteristics; as good as it is possible to be:
2. absolute; complete (used for emphasis)
1. the action or fact of accepting or yielding to a superior force or to the will or authority of another person:
2. humility; meekness:
Perfect submission in the world of BDSM is fully yielding your self to the authority of another while having all of the required or desirable qualities that the superior seeks in a submissive.
Perfect submission, can present it’s self different dependent on both the submissive and the Dominant.