# Beginner's Tips

**This chapter is an introductory level guide on using Xray, mainly sharing the principles of some commonly used functional modules in Xray.**

[Analysis of Fallbacks Function](./fallbacks-lv1.md)

[Analysis of Routing Function (Part 1)](./routing-lv1-part1.md)

[Analysis of Routing Function (Part 2)](./routing-lv1-part2.md)

[Analysis of Xray's Working Mode](./work.md)

[Fallbacks with SNI for Disguising and Domain-based Routing](./fallbacks-with-sni.md)