# General 3DSM6 Qs

**URL:** <https://forum.kirupa.com/t/general-3dsm6-qs/121842>\
**Category:** Uncategorized\
**Created:** [September 7, 2004, 10:05pm UTC](https://forum.kirupa.com/t/general-3dsm6-qs/121842 "2004-09-07T22:05:00Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![REEF](https://avatars.discourse-cdn.com/v4/letter/r/ce73a5/32.png) [@REEF](https://forum.kirupa.com/u/REEF)\
**Post date:** [September 7, 2004, 10:05pm UTC](https://forum.kirupa.com/t/general-3dsm6-qs/121842/1 "2004-09-07T22:05:00Z")

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I need to learn the simple stuff while still can. It’s going to take me years to learn this. Sorry if these questions sound retarded.

**What is** :[list]  
[_]Organic Modelling  
[_]Irradiance  
[_]Photons  
[_]Caustics  
[_]Radiosity  
[_]RayTrace  
[\*]Normals  
[/list]  
God I feel like a dumba\*\* :(. If you can explain these and the uses of them, I’d be grateful. Thanks a lot :).