1. Rule of thirds

Lines that get the important parts like their faces and background.

2. Balancing Elements

Which the parts of elements are arranged how you want them too.

3. Leading Lines. 

Making the audience focus on that part of that painting.

4. Symmetry and Patterns (repetition)

Dividing lines going up and down from the picture.

5. Viewpoint.

A area hat the mural or picture can be viewed.

6. Background

Something behind a person like a stage or a wall is their background.

7. Create depth

the space that the picture has like the background or sides.

8. Framing

Something that supports the picture to hold up.

9. Cropping

is used in pieces of art in to take some parts of the picture that is not needed for that picture. like u just want their body and noting in the background.

10. Mergers and avoiding them
To move in different angles from your original position. 

11. IOS: Noise Free Pictures