# Glossary

This glossary offers a list of terms and definitions to define a vocabulary for OpenStack-related concepts.

## C

Cross-Origin Resource Sharing (CORS)

  A mechanism that allows many resources (for example, fonts, JavaScript) on a web page to be requested from another domain outside the domain from which the resource originated. In particular, JavaScript’s AJAX calls can use the XMLHttpRequest mechanism.

this page last updated: 2026-03-26 20:17:45

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