• An object is another way of representing compound data, as in a struct or record.
• Like a struct, it has fields.
• An object has one built-in field, called this, which always refers to this object.
• Here are pictures of two simple objects:

We assume you've seen some kind of object-oriented programming before, so we're just reviewing vocabulary here.

If you have never used OOP before, go do some outside reading before continuing.