# Uniform Traversal Interface

> The requirement that collections expose one common interface for stepping through their elements.

Record: `lexicon:uniform-traversal-interface`
Kind: constraint
Layer: [Design Patterns Core](https://banes-lab.com/records/layer/design-patterns-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-uniform-traversal-interface

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Uniform Handler Interface](https://banes-lab.com/records/lexicon/uniform-handler-interface.md) and before [Class Count](https://banes-lab.com/records/lexicon/class-count.md).

## Category

- [Behavioral Patterns](https://banes-lab.com/records/lexicon-category/behavioral-patterns.md)

## Required by

- [Iterator Pattern](https://banes-lab.com/records/architecture/iterator-pattern.md)

## Linked from

- [Behavioral Patterns](https://banes-lab.com/ontology/principles/architecture-category-behavioral-patterns.md)