Class
Tell Python to make a new type of thing.
Object
Two meanings: the most basic type of thing, and any instance of some thing.
Instance
What you get when you tell Python to create a class.
'Def' or Define
How you define a function inside a class.
Self
Inside the functions in a class, self is a variable for the instance/object being accessed.
Inheritance
The concept that one class can inherit traits from another class, much like you and your parents.
Composition
The concept that a class can be composed of other classes as parts, much like how a car has wheels
Attribute
A property classes have that are from composition and are usually variables.
Is-a
A phrase to say that something inherits from another, as in a ”salmon” is-a ”fish.”
Has-a
A phrase to say that something is composed of other things or has a trait, as in ”a salmon has-a mouth.”