Countermand refers to the action of revoking or retracting a previous order by issuing a new and contradictory directive. It is commonly used in various business contexts where changes in instructions or decisions are needed promptly.
Revocation refers to the withdrawal or cancellation of an authority, offer, or instrument that was previously effective. It impacts the offeree's power of acceptance and has legal implications in various contexts, such as contracts, wills, and licenses.
