What is exactly an object in C++?

Question

In the beginning of my journey learning C++, I thought an object is an OOP-only related term. However, the more I learn and the more I read, I can see that this not the case

Answer 1

Short answer

From https://timsong-cpp.github.io/cppwp/n3337/intro.object

An object is a region of storage.

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A slightly longer answer

In traditional OOP and OOD, an Object is used to describe class of objects some times and to an instance of a class some times.

In C++, class and struct represent classes.

An object in C++ can be an instance of a class or a struct but it can also be an instance of a fundamental type.

A few simple examples:

int i;

i is an object. It is associated with a region of storage that can be used by the program.

struct foo { int a; int b;};
foo f;

f is an also object. It is also associated with a region of storage that can be used by the program.

int* ptr = new int[200];

ptr is a pointer that points to 200 objects of type int. Those objects are also associated with a region of storage that can be used by the program.