Traditionally the very first program you write when learning a programming language, a program that prints "Hello world" to the user.
JavaScript function that prints out a line to the user
Declaring a variable is defining it for the first time.
Initializing a variable is giving it an initial value.
A float, or floating point value, is a numeric value that can have decimal level precision (ex: 3.14)
A number in your code that appears arbitrary. These should all be replaced with calculations or constants.
A coordinate system uses numbers as coordinates to place objects in a geometric space.
JavaScript function that returns the width of the graphics canvas
JavaScript function that returns the height of the graphics canvas
The length between the center and edge of a circle
`lowerCamelCase` is a naming convention where the first letter is lower case, and each subsequent start of a word is upper case.
Defining a function means to teach the computer a new command and explain what it should do when receiving that command.
An event is an action (such as clicking the mouse or pressing a key on the keyboard) that a program detects and uses as input.
A person or device that makes calculations, stores data, and executes instructions according to a program.
A function passed as a parameter to another function in order to be called later.
The study of computational thinking, the thinking humans need to in order to describe a step by step process to a computer.
A general term in programming that refers to the flow of information into and out of a program
Arithmetic operators include + addition, - subtraction, * multiplication, / division, and % modulus. These operators are used to perform basic mathematical tasks.