Static means stationary or fixed. You can see that very clearly in this picture.
Dynamic means energetic, capable of action and/or change, or forceful. You can see that very well in this picture of a jumping sheep.
Here you can see sponges laying central, horizontal and diagonal. There is a lot of direction in this picture.
A focal point is the element in a painting that pulls in the viewer's eye, that is the center of attention or the main subject. You can emphasize a focal point through the painting's composition, through color, and through the range of tones you use.
An asymmetrical composition is not balanced and does not use the Elements in equal amounts. It is not divisible into equal parts.
A symmetrical composition is balanced, and has an overall equality of Size, Shape, Line, Line Direction, Texture, Value, and Color. It is capable of division into equal parts.
In these pictures you see the light coming from diffirent directions. You have side light, front light and back light.
Natural light is light that is produced by natural sources, for example the sun.
Artificial light is the light produced by for example lamps.