You may also find the following link relevant: https://www.mendix.com/evaluation-guide/enterprise-capabilities/runtime-architecture

It will take some time to acquire the knowledge. No Matrix-like shortcuts, but here you go:

• https://docs.mendix.com/refguide/system-requirements 
• https://docs.mendix.com/refguide/runtime

Or if you like tutorials better than reading, go to Academy → Modules → click on 'Find your Module’ → Architect

Have fun!