Is college the same as university?
A University is bigger as it typically has many colleges and schools within it that focus on specific disciplines, e.g., Arts & Sciences, Economics, Engineering, etc. Universities also offer doctorates which colleges typically do not.
I guess what has blurred the line in the US is the fact that community colleges and vocational schools call themselves colleges even though they do not offer four year degrees. Nevertheless, they can provide a springboard into higher education if the student pursues it.