[role="xpack"]
[testenv="basic"]
[[ilm-concepts]]
== {ilm-init} concepts

++++
<titleabbrev>Concepts</titleabbrev>
++++

* <<ilm-index-lifecycle>>
* <<index-rollover>>
* <<update-lifecycle-policy>>

include::ilm-index-lifecycle.asciidoc[]
include::index-rollover.asciidoc[]
include::update-lifecycle-policy.asciidoc[]