"Leave blank" is a creative technique and space rule commonly used in graphic design and painting. Graphic design is a discipline closely related to modern commercialization. Usually, a 2D picture needs to express rich content, which requires designers to handle the proportional relationship between blank space and other elements as a whole.

White space is not to leave white, but to leave space to guide the audience's eyes to the most important part of the picture. There is no strict proportion of the layout rule of leaving blank, so as to create a flexible and free sense of space.
The introduction of blank space into modern graphic design is an important manifestation of modern graphic design seeking a breakthrough. On the premise of not violating the overall design rules, we should innovate boldly, dare to imagine, dare to break through, so that the two can collide with a new artistic spark.
Graphic design and painting have similarities and differences. We should design and grasp the integrity of the screen. On the whole, deal with the proportional relationship and contrast relationship between blank and other elements. Macroscopically grasp the overall beauty and harmonious beauty between the blank and other elements. In the local design, the virtual and real design shall be reasonably coordinated, the proportion shall be appropriate, and the specific positions left blank shall be designed to make the points, lines and surfaces mutually cooperate to form a simple, clear and neat layout effect.
In fact, as a design technique, white space can be used not only in graphic design works such as posters, packaging, books, but also in font size, line spacing, color balance, etc.

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For graphic design, designers need to combine the words, colors, and graphics they want to express in a limited space to highlight the subject while improving the artistic beauty, so "leaving blank" is particularly important. When leaving a blank, we should pay attention to people's reading habits, better enhance their visual communication function, endow them with aesthetic emotion, and induce people to read with interest.
Even in the layout of students' graphic design works collection, it is also an important reference. Sometimes, the works collection does not need to be "filled" for the purpose, and the layout content with clear priorities and degree of relaxation can give people the most comfortable visual experience.