> For the complete documentation index, see [llms.txt](https://kb.bravegen.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://kb.bravegen.com/carbon/core-concepts/core-concepts.md).

# Core Concepts

Understand how Carbon Accounting is Structured across BraveGen Carbon

A few key concepts shape how everything on the platform fits together. You don't need to memorise these — but skimming them now will save you confusion later.

<table data-card-size="large" data-view="cards"><thead><tr><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><i class="fa-diagram-nested">:diagram-nested:</i> <strong>Entities &#x26; Organisation Hierarchy</strong></td><td>Managing and organising your reporting structure.</td><td><a href="/carbon/core-concepts/reporting-entities.md">Reporting Entities</a></td></tr><tr><td><i class="fa-inbox">:inbox:</i> <strong>Data Collection Processes &#x26; Tasks</strong></td><td>Managing and automating data collection within the system.</td><td><a href="/carbon/core-concepts/data-collection.md">Data Collection</a></td></tr><tr><td><i class="fa-cubes">:cubes:</i> <strong>Sources &#x26; Rules</strong></td><td>How activity is converted into emissions. </td><td><a href="/carbon/core-concepts/activity-sources.md">Activity Sources</a></td></tr><tr><td><i class="fa-table-rows">:table-rows:</i> <strong>Carbon Inventory &#x26; Templates</strong></td><td>Configuring your emission reporting categories and data.</td><td><a href="/carbon/core-concepts/inventory-items.md">Inventory Items</a></td></tr><tr><td><i class="fa-clouds">:clouds:</i> <strong>Emission Factors</strong></td><td>Managing and updating emission factor libraries</td><td><a href="/carbon/core-concepts/emission-factors.md">Emission Factors</a></td></tr><tr><td><i class="fa-truck">:truck:</i> <strong>Suppliers</strong></td><td>Organisations that comprise your upstream or downstream supply chain</td><td><a href="/carbon/core-concepts/suppliers.md">Suppliers</a></td></tr></tbody></table>