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

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<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[]