Coordinates?

How do you find them?
I'm reading crazy different ways of going about it and none of them make sense or there is too much internet lingo that I cant decipher it. I just want someone to tell me how to do it in plain English. Thank you all!
I'm reading crazy different ways of going about it and none of them make sense or there is too much internet lingo that I cant decipher it. I just want someone to tell me how to do it in plain English. Thank you all!