This is very basic stuff.
Go get the blink sketch and play around with that.
Also get yourself a breadboard and a set of jumperwires.
This is the stuff that is in a starterkit.
That has answered your questions already.
Arduino is about learning and fun (or the other way around).
Because of that, you'll have to figure out some stuff yourself and i'm out on a limb already by answering your question.
One final advice: Don't keep staring at your end goal.
Take it step by step, divide your "problem" in smaller problems to solve.
Blink is free.
Double blink is for you to figure out.
Once you've done that ten is easy and will be fun too.
Next assignment: make them fade instead of flash