# Concepts

The following concepts are used in this project:

| Topic                                                                                                          | Description                                |
| -------------------------------------------------------------------------------------------------------------- | ------------------------------------------ |
| [**Webhook**](https://webhooks.deveel.org/concepts/webhook)                                                    | What is it a 'Webhook' and why I need it?  |
| [**Subscriptions**](https://github.com/deveel/deveel.webhooks/blob/main/docs/concepts/webhook-subscription.md) | How does a subscription to an event works? |
| [**Senders**](https://webhooks.deveel.org/concepts/webhook-sender)                                             | What is a sender of webooks?               |
| [**Receivers**](https://webhooks.deveel.org/concepts/webhook-sender)                                           | What is a receiver of webooks?             |
| **Notifications**                                                                                              | What is a notification of events?          |