When the light and dark are reversed, the relationship between the graph and the ground will change with each other.

In general, printed matter is printed on white paper, white paper is called Earth, black word is called picture.

On the contrary, sometimes the effect of anti white is printed on black paper. At this time, the black background is the ground, and the white character is the map, which is the phenomenon of black and white conversion.

When you kick a big stone, your body will fall off because of losing balance. At this point, you will naturally quickly extend a hand or foot to keep your body in balance.

According to this natural principle, if we change the position of each part of a good original work, and then compare it with the original work, we can easily understand the composing principle of balance.

A form starting from one point to the right and left at the same time is called the left and right symmetrical shape. The English name is symmetry.

By using the principle of symmetry, we can develop complex state of vortex and so on.

There are many symmetrical things in daily life, such as the collocation of Buddha statues or the configuration of shrines in the shrine of Japan.

Symmetry will show the image of high style and stylized.

In the same style of layout, adding appropriate changes without affecting the style will result in an emphasis.

It emphasizes that the monotonicity of the page is broken, making the page lively, vivid and varied.

For example, the layout is choreographed and looks dull. If you add illustrations or photographs, just like a stone thrown into a calm surface, there will be waves of waves.

The characteristics of Greek art are "golden ratio". When designing the length, width, height and type and location of columns, if we can refer to the "golden ratio", we can produce a unique Greek architectural style and produce a steady and moderate visual effect.

The ratio of length to width, area ratio and so on can produce the same function as other shaping elements and show excellent images. Therefore, it is very important to use appropriate proportions.