can't understand somthing about UV maping

I have been looking all around in tutorials and this forum, but i can still not understand compleatly uv mapping. especially for the bump map.

do you draw the bump map on you image you are going to use for UV mapping?

if anyone has a good tutorial that would explain that it would be nice

https://blenderartists.org/forum/viewtopic.php?t=58665

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thank you very much.

this question i had for nearly a year is answerd.

sorry for not seeing that topic.