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

# Concepts

> First, let’s go over the core concepts.

IlluxiLMS uses various concepts across its different functionalities.

## Concepts

<CardGroup cols={2}>
  <Card title="Product" icon="tag" href="/concepts/product">
    A training activity, whether synchronous or asynchronous.
  </Card>

  <Card title="Capsule" icon="puzzle-piece" href="/concepts/capsule">
    A single unit of content within a product.
  </Card>

  <Card title="Bundle" icon="box" href="/concepts/bundle">
    A collection of products grouped together.
  </Card>

  <Card title="Enrollment Access" icon="gamepad" href="/concepts/product_access">
    A permission that allows a user to enroll in a product.
  </Card>

  <Card title="Enrollment Record" icon="poll" href="/concepts/take">
    A record of a user's progress within a specific product.
  </Card>

  <Card title="Cohort" icon="people-group" href="/concepts/availability_group">
    A group of learners following the same product on the same schedule.
  </Card>

  <Card title="Session" icon="circle-user-clock" href="/concepts/illuxi_availability">
    A scheduled segment of a product
  </Card>

  <Card title="Group" icon="users" href="/concepts/grp">
    A collection of users, permissions, and access settings
  </Card>

  <Card title="Group Membership" icon="circle-user" href="/concepts/user_grp">
    A user's membership within a group.
  </Card>
</CardGroup>

<Note>
  **Need help?** Explore our [full documentation](https://support.illuxi.com) or join our [community](https://support.illuxi.com/hc/fr-ca/community/topics).
</Note>