> For the complete documentation index, see [llms.txt](https://guides.gresb.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://guides.gresb.com/data-center-assessment/2.-completing-gresb-assessment/supporting-information.md).

# Supporting Information

Use these pages alongside the indicator guidance to understand key concepts, define your reporting scope, and complete the assessment accurately.

<table data-view="cards"><thead><tr><th align="center"></th><th align="center"></th><th data-hidden data-card-target data-type="content-ref"></th><th data-hidden data-card-cover data-type="image">Cover image</th></tr></thead><tbody><tr><td align="center"><strong>Defining the Reporting Portfolio</strong></td><td align="center"><em>Before you start: how to define your reporting scope and split your portfolio into reporting entities.</em></td><td><a href="/data-center-assessment/2.-completing-gresb-assessment/supporting-information/defining-the-reporting-portfolio.md">Defining the Reporting Portfolio</a></td><td data-object-fit="contain"><a href="https://2174078577-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FsM9IOcGMoXPtEX36xcvu%2Fuploads%2FTrFb6dn5G0ZbXEydvhy1%2FGRESB%20Guides%20Icons%20(30).png?alt=media&amp;token=7465259d-eb72-4f39-9fc8-dcf6d31f3585">GRESB Guides Icons (30).png</a></td></tr><tr><td align="center"><strong>Control Input</strong></td><td align="center"><em>For RC4 and control-dependent indicators: how to report site-level control and how it affects your Transparency Score, Control-Weighted.</em></td><td><a href="/data-center-assessment/2.-completing-gresb-assessment/supporting-information/control-input.md">Control Input</a></td><td data-object-fit="contain"><a href="https://2174078577-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FsM9IOcGMoXPtEX36xcvu%2Fuploads%2Fqd40BNe1LQwhvXWJqB5c%2FGRESB%20Guides%20Icons%20(29).png?alt=media&amp;token=3fdf6c40-a927-4377-ba6c-04c2859ad180">GRESB Guides Icons (29).png</a></td></tr><tr><td align="center"><strong>Terminology</strong></td><td align="center"><em>Find definitions for key concepts used throughout the assessment</em></td><td><a href="/data-center-assessment/2.-completing-gresb-assessment/supporting-information/terminology.md">Terminology</a></td><td data-object-fit="contain"><a href="https://2174078577-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FsM9IOcGMoXPtEX36xcvu%2Fuploads%2FgBLLhn3ljS3KNMmcXmGl%2FGRESB%20Guides%20Icons%20(28).png?alt=media&amp;token=0a485254-3211-4aaf-887e-b5000c9dc5a2">GRESB Guides Icons (28).png</a></td></tr></tbody></table>


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