# A TO Z OVERVIEW

- [Motivation](/docs/a-to-z-overview/motivation.md): To understand it you are required to be familiar with the default Magento workflow as well as basic knowledge about how browsers work.
- [Challenges](/docs/a-to-z-overview/challenges.md)
- [File structure and UI components](/docs/a-to-z-overview/file-structure-and-ui-components.md)
- [Rewriting and Extending A Theme](/docs/a-to-z-overview/rewriting-and-extending-a-theme.md)