Law of Common Region

The Law of Common Region is a principle in Gestalt psychology that describes how elements within the same enclosed area or region are perceived as a group. This concept emphasizes how visual elements that are grouped together within a defined boundary are perceived as belonging together, regardless of their individual characteristics.

Understanding the Law of Common Region

According to Gestalt psychology, the Law of Common Region suggests that:

  • Grouping Effect: Elements that are contained within a common boundary or region tend to be perceived as belonging together. This grouping occurs even if the individual elements differ in shape, color, or size.
  • Visual Organization: Humans naturally organize visual information into meaningful groups to simplify perception and make sense of complex scenes.

Application in Design and Perception

  • Interface Design: In user interface (UI) and user experience (UX) design, designers can leverage the Law of Common Region to organize elements such as buttons, icons, and text boxes within distinct regions. This helps users perceive related elements as functional units, improving usability and navigation.
  • Graphic Design: In graphic design, creating visual hierarchies through the use of common regions can guide the viewer’s attention and emphasize relationships between elements.

Practical Examples

  1. Website Layouts: Grouping navigation links or related content within separate sections or panels on a webpage helps users quickly identify and navigate to relevant information.
  2. Infographics: Using distinct regions or borders to group related data points or categories in infographics enhances readability and comprehension.


The Law of Common Region from Gestalt psychology highlights how humans perceive and organize visual elements based on their spatial relationships. By understanding this principle, designers can create more intuitive and visually cohesive designs that enhance user perception, interaction, and overall user experience.

Ondrej Zoricak
Ondrej Zoricak