Navigation bars are a way to use continuity to show the user other page options. The linear organization demonstrates how all items in the bar are similar

University of Michigan - Ann Arbor

There are multiple ways continuation can be used. 
- Differing between primary and secondary navigation
- Similar elements along lines
- Navigation bars

Continuity in Interaction Design

"What are Gestalt Principles?" Interaction Design. https://www.interaction-design.org/literature/topics/gestalt-principles

Gestalt Principles of Design

This image demonstrates the primary and secondary navigation. It is easy to see how men, women, and kids are a group of navigation because they come out in their own navigation. 

Example 1

This image shows how similar elements should be organized along lines.

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