What are these features on a digital camera?and what do they do?

what is soft focus,partial color,cross filter, retro, radial blur, unsharp masking? these are some editing features on the sony cybershot dsc-w170 digital camera….and i was wondering how they work and where could i find an example of a photo with each of these?

http://esupport.sony.com/perl/model-tutorials.pl?mdl=PEGUX40

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