How to make a menu?

So i am kinda newbie to menus, but i was wondering how league of legends, hearthstone,cs go etc, made their own, with picture, level, friendlist, profile etc…
. Someone can explain ? or post a tutorial? thanks

User Interface (UI or GUI) is a big subject. There are many tools for creating them, one of which is NGUI on the asset store, or older free version here. Unity also has an inbuilt GUI, which is being rebuilt for Unity 4.6