Translation of yep in Spanish

OK, I've understood the overall picture. I'm a little doubtful about how to detect the copyright issues, but I guess it's better to talk again after I received the first excel sheet. It is alright, I am seeing it as an extra measure.
If you go to the shopping mall to buy shoes, it takes an hour and two stores until you find the right pair of shoes. But if you go shopping 'stuff' generally, it might take you an entire day to finish.
If you are spell checking my letters, that would be great. I would then do the same with your letters. Can you please correct this email too? I thank you in advance for helping my Spanish.