Difference between smoke sanity and the examples of severity and priorities

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Smoke, sanity, severity and priority are different types of testing and classification of bugs.

Smoke testing is a quick test to check if the basic functionalities of the software are working or not.
Sanity testing is a subset of regression testing and is performed to check if the bugs have been fixed and no new issues have been introduced.
Severity is the degree of impact a bug has on the system and its users.
Priority is the order in which bugs need to be fixed based on their severity and impact on the system.
Examples of severity levels are critical, major, minor, and cosmetic.
Examples of priority levels are high, medium, and low.

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