# Session Overview

During sessions, client software uses one or more requested items for a sustained period, and the customer is charged once per hour for using the items.

This section covers the following topics:

- [Session Concepts](/products/dynamicmonetization/guides/sessions/session-concepts)
- [Managing Sessions](/products/dynamicmonetization/guides/sessions/managing-sessions)
- [Automatic Charging and Refunds](/products/dynamicmonetization/guides/sessions/charging-and-refunds)