Inheritance: The cats can have the same color, same size, and same name, but they are not the same they are identical.
Abstraction: With a laptop you can do many things like play games, watch movies, edit, etc. It doesn’t show the inside process of how it’s doing things. implementation parts are hidden.
Encapsulation: A college can have many departments like the CS department, the accounting department, etc. All these departments together make a college.
Polymorphism: A man can be many things father, writer, student, etc. The same can have different roles.
Read more programming examples and real concepts with definitions: object-oriented programming