What is the difference between a Schengen visa being revoked or being annulled? [duplicate]

The annulment and revocation of visa

According to the Regulation (EC) No. 810/2009 of the European Parliament and of the Council (the cd. Visa Code), a visa shall be annulled where it becomes evident that the conditions for issuing it were not met at the time when it was issued, in particular if there are serious grounds for believing that the visa was fraudulently obtained.

A visa shall in principle be annulled by the competent authorities of the Member State which issued it. A visa may be annulled by the competent authorities of another Member State, in which case the authorities of the Member State that issued the visa shall be informed of such annulment.

A visa shall be revoked where it becomes evident that the conditions for issuing it are no longer met. A visa shall in principle be revoked by the competent authorities of the Member State which issued it. A visa may be revoked by the competent authorities of another Member State, in which case the authorities of the Member State that issued the visa shall be informed of such revocation.

Neither an annulment nor a revocation legally bar an applicant from receiving a visa in the future and both can happen without any implication that the holder of the visa did anything wrong. It may sometimes simply be on a technicality.