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

# Data taxonomy

> How OneSignal classifies data into Customer Content, Subscriber Data, Usage Data, and OneSignal Analytics Data, who controls each category, and which agreement governs it.

<Frame caption="OneSignal Data Taxonomy Chart. Click the image to open it at full resolution.">
  <a href="/images/ai/OneSignal_Data_Taxonomy_Chart_Jul_2026.png" target="_blank" rel="noopener noreferrer">
    <img src="https://mintcdn.com/onesignal/zNCCgKApQRDDnStA/images/ai/OneSignal_Data_Taxonomy_Chart_Jul_2026.png?fit=max&auto=format&n=zNCCgKApQRDDnStA&q=85&s=9fd847d4f1d50100d73a31ebc662007e" alt="OneSignal Data Taxonomy Chart" width="2481" height="2655" data-path="images/ai/OneSignal_Data_Taxonomy_Chart_Jul_2026.png" />
  </a>
</Frame>