How does virtual table work internally in c++? vtable and virtual function

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A few things about vtable:
Every class that has at least one virtual function or gets derived from a class that contains at least one virtual function will have its vtable.
For every class that has a virtual function, its object will contain a hidden pointer that points to the address of its vtable.
Vtable is created at the compile time itself.
Only virtual functions get an entry in the vtable, non-virtual functions do not get an entry as their execution is decided at the compile time itself.