The miniDV digital data is in a format that we copy in. It appears you dislike the word capture but just like a file copy, it takes hardware, an OS and apps to copy files. MiniDV is a little more involved but most folk will want to use a capture step since raw DV data is quite large. I'll stop here as what follows after that statement is readily available on the web.

2. Yes. But that's a little simplistic. That file is rarely useful. Most of the time folk will want to create a video DVD or video BD disc. So copying the file is rarely the last thing you do.