# Explanations Understand the concepts and theory behind AIRSS and airsspy. ## Available Topics ::::{grid} 1 1 2 2 :gutter: 3 :::{grid-item-card} AIRSS Overview :link: airss-overview :link-type: doc Learn about AIRSS (Ab initio Random Structure Searching) and its applications. ::: :::{grid-item-card} Seed Concept :link: seed-concept :link-type: doc Understand what seed files are and how they control structure generation. ::: :::{grid-item-card} Buildcell Parameters :link: buildcell-parameters :link-type: doc Complete reference for all buildcell generation parameters and tags. ::: :::: ## About Explanations These guides provide deeper understanding of AIRSS concepts and how airsspy works. They complement the task-oriented [How-To Guides](../how-to/index.md) and hands-on [Getting Started](../getting-started/index.md) tutorials. ## Related Resources - **[Getting Started](../getting-started/index.md)** - Learn airsspy basics - **[How-To Guides](../how-to/index.md)** - Task-oriented guides - **[API Reference](../reference/index.md)** - Detailed API documentation