Answer 1

Generic means regular. What do u understand mean regualr means those data type class or function which allow all data type like int,float ,string;
For defination
Generics in C++ Generics is the idea to allow type (Integer, String, … etc and user-defined types) to be a parameter to methods, classes and interfaces. For example, classes like an array, map, etc, which can be used using generics very efficiently