1) Subject: The subject is the object in the picture you are focussing on.
2) Focal point: The focal point is the thing that people pay the most attention to.
3) Composition: This means how you compose the picture like how you set out the photo and what you put in the photo to change effects.
4) Framing: This is when you frame a picture to focus on what is in the picture.
5) Rule of thirds: When the picture is sectioned out into a grid.
6) Foreground: This is what is at the front of the picture and is the subject usually.
7) Background: Soemthing at the back of the picture.
8) Connotations: A particular word that makes you think of something.
9) Symbolism: Something in the picture that represents something.