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

# Architecture Overview

> Explore how Lumina handles the flow of data and updates across the network using its robust and modular architecture.

The data flow is broken down into the following phases:

<CardGroup>
  <Card title="Feeders (Sourcing Layer)" href="/dia-stack/architecture/core-components/feeders" icon="circle-1" iconType="solid" horizontal />

  <Card title="Lasernet (Aggregation Layer)" href="/dia-stack/architecture/core-components/lasernet/overview" icon="circle-2" iconType="solid" horizontal />

  <Card title="Spectra (Cross-chain Messaging Layer)" href="/dia-stack/architecture/core-components/spectra" icon="circle-3" iconType="solid" horizontal />
</CardGroup>

Explore the data sources that are used to power the Lumina oracle:

<CardGroup>
  <Card title="Data Sources" href="/dia-stack/architecture/data-sources/overview" icon="globe" iconType="solid" horizontal />
</CardGroup>