Silhouette is the use of light to make a person or object have a dark outline.
Black and White is used because it create emotions in pictures.
Double exposure is using 2 pictures fading one and laying it on top to make a interesting picture.
Sepia is another type of picture that conveys emotion.
Boat n' Hand uses illusion to make big things small and small things big in comparison of each other.
Emphasis uses one color to draw attention to one thing.
Rule of thirds is a concept of pictures that darws attention to certain parts of a picture by making a 3x3 grid and putting them on the intersections.
I used moulage to make an illusion on my arm. Using mostly latex and paint. After I lather latex where I wanted it I wait for it to dry a little, then use a toothpick to make it look like and open wound. Then the paint was added to blend with my skin. After which i used a red liquid to look like blood and voila.