Origin: Latin suffix -ance
Conformance has 2 different meanings across 1 category:
correspondence in form or appearance
"The new building was praised for its strict conformance to the architectural style of the historic district."
The act of conforming; conformity.
"The company's new policy ensures strict conformance to all safety regulations."
In plain English: Conformance is when you follow rules exactly as they are written without breaking them.
"The building passed inspection due to its strict conformance with local safety codes."