> ## Documentation Index
> Fetch the complete documentation index at: https://docs.activeviam.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Organization

> The Organization dimension in FRTBCombinedCube, providing multi-level book and legal entity hierarchies for internal reporting and position aggregation

The **Organization** dimension contains the following hierarchies:

<CardGroup cols={2}>
  <Card title="BookHierarchy" href="../../bookhierarchy">Multi-level book structure.</Card>
  <Card title="Categories" href="../../categories--dimensions-organization">Categories that can be used for internal reporting.</Card>
  <Card title="Legal Entities" href="../../legal-entities">List of legal entities holding the positions.</Card>
  <Card title="LegalEntityHierarchy" href="../../legalentityhierarchy">Multi-level legal entity hierarchy.</Card>
</CardGroup>