Answer 1

a class can be thought of as a collection of things that make up something. it's variables and functions. think of a dog for example. it has certain variables: string breed, double height, char gender etc. it also has certain functions like bark, fetch, sit. that would look something like this
class Dog
{
private:
string breed;
double height;
char gender;
public:
Dog (string,double,char);
void bark();
};
an object is simply an instance of a class. so in our dog example we could create a "Dog" by doing this:
Dog myDog (boxer,4.3,m);
which. would create a dog object called myDog. of course I never actually set up the constructor but you get the idea