You'll probably want to take things step-by-step. A lot of stuff about programming is very tough, but you should start with the basics.
For starters, you should familiarize yourself with EDIT mode.
It is a text editor, where each line can have an instruction to be run in your program.
Instructions will tell your program what to do. They are the building blocks of a program.
1そうだね プレイ済み