InfoPath Dev

 Hi! Thanks a lot for response and explanations! :) 

Hi guys! I am a complete newbie with InfoPath and the functions used in InfoPath are completely unknown to me. I am creating a form and I would like to usen if/then function in it, if possible. Here is how it work in my head: I have dropdown lists with text choices in field1 and field2. I have field3 and field4 ...