-nav"><li><h5 class='doc-side-nav-title'>Concepts</h5></li><script type="text/javascript"> var docs = []; docs.push({path: [ "index.md", ], url: "/docs/concepts/", title: "Concepts", order: 10, overview: "Concepts help you learn about the different parts of the Istio system and the abstractions it uses."}); docs.push({path: [ "policy-and-control", "attributes.md", ], url: "/docs/concepts/policy-and-control/attributes.html", title: "Attributes", order: 10, overview: "Explains the important notion of attribut