{Lessons} Lesson Number Two: Let's learn about important words

Before we delve into the programming part, we first need to learn some important words in Ruby. These words will be mentioned a lot in the upcoming lessons so you will need to memorize them.
Method: Think of this as an agreed contract between you and Ruby- For example, if you use the print method you can display text onto the screen.

Variable: Think of this as a box which you store data- numbers, text and such. You can always change a variable into another one. ex) If you type a = 1 and then type again a = 2 the variable a changes into a 2.

Array: Think of this as a collection of variables.  An subscripted variable is a symbolic name for an array's element.

These are the basic terms you need to know to program. If you know any more, please comment!
Sincerely yours, 
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