Object-Oriented Programming . Back to Records . On to Objects, Continued . As we've seen in our experiments with records, there are both strengths and weaknesses of our current implementations. In the late 1960's, some computer scientists decided to extend the notion of record further into something they called an object Objects group data.
Objects can also do things.
You can't directly access the parts of an object. Rather, you ask the object to do things or tell you things. The requests you send to objects are called messages . Objects in Scheme Scheme doesn't include objects as a built-in type. Hence, we have to implement them ourselves.