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				<header class="box-h ">Page Contents</header>
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					<ul>
            <li><a href="#aboutwcag">About WCAG</a></li>
            <li><a href="#introduction">About the Understand Documents</a></li>
            <li><a href="#structure">Structure of the Documents</a></li>
            <li><a href="#changelog">Change Log</a></li>
            <li><a href="#acknowledgements">Acknowledgements</a></li>
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			<h1 id="title" class="title p-name">About WCAG Understanding Documents</h1>
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        <header class="box-h ">Summary</header>
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          <p><em>Understanding documents</em> provide detailed  explanations for Web Content Accessibility Guidelines (WCAG) guidelines and success criteria. They are informative, not  part of the &quot;normative&quot; WCAG standard. To start learning about WCAG, see the <a href="https://www.w3.org/WAI/intro/wcag">WCAG Overview</a>.</p>
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      <section id="aboutwcag">
        <h2>About WCAG</h2>
        <p>Web Content Accessibility Guidelines (WCAG) provides requirements for making websites, applications, and other digital content accessible to people with disabilities. For an introduction to WCAG, supporting technical documents, and educational material, see <a href="https://www.w3.org/WAI/standards-guidelines/wcag/">WCAG 2 Overview<!-- <svg focusable="false" aria-hidden="true" class="icon-different-view "><use xlink:href="/WAI/assets/images/icons.svg#icon-different-view"></use></svg> --></a>.</p>
        <p>There are additional resources that help you understand and implement WCAG. These Understanding documents are one type of resource. Others are explained in the <a href="https://www.w3.org/WAI/standards-guidelines/wcag/docs/">WCAG 2 Documents<!-- <svg focusable="false" aria-hidden="true" class="icon-different-view "><use xlink:href="/WAI/assets/images/icons.svg#icon-different-view"></use></svg>--></a>.</p>
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      <section id="introduction">
        <h2>About the Understanding Documents</h2>
        <p>WCAG Understanding documents are guides to understanding and implementing WCAG.   They provide detailed  explanations for
          each guideline and each success criterion to help readers better understand the intent
          of the success criteria. They include  background information and  technical details. They include <em>techniques</em> that are examples of ways to meet the success criteria. Each technique is linked to more details in a techniques page. Techniques are explained in <a class="understanding" href="understanding-techniques">Understanding Techniques for WCAG Success Criteria</a>.</p>
        <p>WCAG Understanding documents are not  introductory resources. They are  for people who want to understand WCAG more thoroughly. The <a href="https://www.w3.org/WAI/intro/wcag">WCAG Overview</a> provides introductory information.</p>

        <section id="structure">
          <h3>Structure of the Documents</h3>
          <p><em>Understanding <strong>Guideline</strong> </em>pages include:</p>
          <ul>
            <li>The intent</li>
            <li>Any advisory techniques that are related
              to the guideline and not specifically related to any of its success criteria</li>
          </ul>
          <p><em>Understanding <strong>Success Criterion</strong></em> pages include:</p>
          <ul>
            <li> The success criterion wording from WCAG</li>
            <li> Intent of the success criterion </li>
            <li> Benefits, how  it helps people with disabilities</li>
            <li> Examples </li>
            <li> Related resources</li>
            <li>Techniques
              <ul>
                <li> Sufficient techniques</li>
                <li> Advisory techniques</li>
                <li> Failures</li>
              </ul>
            </li>
            <li> Key terms for this success criterion,  from the WCAG Glossary </li>
          </ul>
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      </section>

      <section id="changelog">
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          <summary><h2>Change Log</h2></summary>
          <p>For a detailed view of recent changes to the informative documents see the <a href="https://github.com/w3c/wcag/commits/master">github updates</a>.</p>
        </details>
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      <section id="acknowledgements">
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          <summary><h2>Acknowledgements</h2></summary>
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