1. Lesson 4.GUI

2.  GuiTexture  GuiText  3DText Lection 4.GUI

3.  OnGUI  Skin  Style  Button  Box  Label  TextArea Lection 4.GUI

4.  Custom GUI  Nine slicing and scaling  Alternatives Lection 4.GUI

5.  UI Canvas  Rect Transform  Anchors  UI Image  UI Button  UI Text  UI Events and Triggers  UI Slider  UI ScrollRect  UI Scrollbar  UI Mask Lection 4.GUI

6.  http://docs.unity3d.com/Manual/class- GuiText.html http://docs.unity3d.com/Manual/class- GuiText.html  http://docs.unity3d.com/Manual/class- GuiTexture.html http://docs.unity3d.com/Manual/class- GuiTexture.html  http://docs.unity3d.com/Manual/gui- Basics.html http://docs.unity3d.com/Manual/gui- Basics.html  http://unity3d.com/learn/tutorials/modules/ beginner/ui http://unity3d.com/learn/tutorials/modules/ beginner/ui