---
title: Core Concepts
description: Learn the execution model, scheduling behavior, reliability guarantees, and time handling.
order: 20
---

# Core Concepts

This section explains how DurableStack behaves under real production conditions.

## In this section

- [Job Model](job-model)
- [Scheduling & Cron](scheduling-and-cron)
- [Reliability and Execution Model](reliability-and-execution-model)
- [Distributed Execution](distributed-execution)
- [Time Zones](time-zones)