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

# Overview

Use this section to understand the product model behind Plera before you build campaigns. Start with the full concept guide, then use the focused concept pages for Plays, Runs, Leads, Sequences, and Credits when you need a specific definition.

## Core concepts

<CardGroup cols={3}>
  <Card title="How Plera Works" icon="book-open" href="./how-plera-works">
    Learn how Plays, Runs, lead sources, strategy profiles, Sequences, and Credits fit into one workflow.
  </Card>

  <Card title="Plays" icon="blocks" href="./plays">
    Learn how a Play defines the channel mix, enrichment plan, message strategy, and sequence structure.
  </Card>

  <Card title="Runs" icon="play" href="./runs">
    See how a Run keeps the Play, lead sources, sequences, messages, replies, and analytics together.
  </Card>

  <Card title="Leads" icon="users" href="./leads">
    Understand how prospects are discovered, enriched, qualified, messaged, and tracked.
  </Card>

  <Card title="Sequences" icon="workflow" href="./sequences">
    Review how source groups, strategy profiles, messages, sender accounts, and timed steps become launch-ready.
  </Card>

  <Card title="Credits" icon="circle-dollar-sign" href="./credits">
    Understand what costs credits and how billing affects discovery, enrichment, generation, and sending.
  </Card>
</CardGroup>