HELP: videosettings explanation

Hey guys, can u please help me understand or explain SASAO, BLOOM, VOLUMETRIC EFFECTS, COLOR CORRECTION. The vidosettingshelp did not say anything about it's function or effect in the game.. PLS help PLS, TIA

http://en.wikipedia.org/wiki/Screen_spa ... _occlusion
http://en.wikipedia.org/wiki/Bloom_%28shader_effect%29
http://en.wikipedia.org/wiki/Volumetric_lighting
http://en.wikipedia.org/wiki/Color_grading

http://en.wikipedia.org/wiki/Screen_space_ambient_occlusion
http://en.wikipedia.org/wiki/Bloom_%28shader_effect%29
http://en.wikipedia.org/wiki/Volumetric_lighting
http://en.wikipedia.org/wiki/Color_grading

Oh i see, thanks bro!