The phrase "noise and vibration" refers to unwanted sounds and shaking movements. It is used to describe any annoying or disruptive sounds and the movement or shaking that often accompanies them. Full definition
Basically, the mounts permanently adapt their stiffness to the driving conditions, reducing noise and vibration in their soft setting and improving the handling in their stiffer set - up. (mercedesblog.com)
I doubt that the tires not being perfect could be causing the problem, but there is a little bit of noise and vibration from the tires. (mechanics.stackexchange.com)
Engine mount issues: The motor mount connects the engine to your vehicle's chassis, and is designed to isolate engine noise and vibration from the passenger compartment. (yourmechanic.com)