Settings和* .config有什么区别？

I've worked a little with *.config files in the past, but I've not uses Settings files at all. Simply put, what's the difference between a project's Settings file and *.config file? Are there conventions as to what information goes in which? When should one be used over the other? How are Settings files built - are they embedded into the assembly, or kept external like *.config files?I've worked a little with *.config files in the