---
layout: flat
title: STIX Concepts
---

This page describes several central STIX concepts that cut across all of the core STIX data types

* [Controlled Vocabularies](controlled-vocabularies) - Describes how to use
    values from a default vocabulary, define custom vocabularies, or use values
    outside of any vocabulary.
* [Data Markings](data-markings) - Describes how to use data markings to mark STIX content.
* [Relationships](relationships) - Describes how to use STIX relationships.
* [Versioning](versioning) - Describes a few different versioning scenarios and how those are handled in STIX.
* [xsi:type](xsi-type) - Describes the STIX usage of xsi:type for core components, extension points, and controlled vocabularies.

---
layout: flat
title: STIX Concepts
---

This page describes several central STIX concepts that cut across all of the core STIX data types.

<div class="row">
  <div class="col-md-6">
    <div class="well">
      <h4><a href="controlled-vocabularies">Constrolled Vocabularies</a></h4>

      <p>Describes how to use values from a default vocabulary, define custom
      vocabularies, or use values outside of any vocabulary.</p>

      <a class="btn btn-primary" href="controlled-vocabularies">Go »</a>
    </div>

    <div class="well">
      <img src="/images/Data Marking.png" class="component-img" alt="Data Marking Icon" />
      <h4><a href="data-markings">Data Markings</a></h4>

      <p>Describes how to use data markings to mark STIX content.</p>

      <a class="btn btn-primary" href="data-marking">Go »</a>
    </div>

    <div class="well">
      <h4><a href="relationships">Relationships</a></h4>

      <p>Describes how to use STIX relationships.</p>

      <a class="btn btn-primary" href="relationships">Go »</a>
    </div>
  </div>

  <div class="col-md-6">
    <div class="well">
      <h4><a href="versioning">Versioning</a></h4>

      <p>Describes a few different versioning scenarios and how those are
      handled in STIX.</p>

      <a class="btn btn-primary" href="versioning">Go »</a>
    </div>

    <div class="well">
      <h4><a href="xsi-type">xsi:type</a></h4>

      <p>Describes the STIX usage of xsi:type for core components, extension
      points, and controlled vocabularies.</p>

      <a class="btn btn-primary" href="xsi-type">Go »</a>
    </div>
  </div>
</div>

Convert concepts page to wells
Convert concepts page to wells
