# Concepts: Overview
These pages provide in-depth background on key aspects of ELLA that are important for the end-user, but that are not immediately visible in the user interface.
Further specification for the technically minded can be found in the Technical documentation.
# Contents
- Workflows: Different possible workflows.
- ACMG rules engine: Rules engine for suggesting ACMG criteria and classifications.
- Gene panels: How genes are selected and configured for ELLA.