Conversation

I am in vim. I type

:e filename.txt

i then type

:w

This saves, and it saves *to filename.txt*. The act of saying :e changed the "target" of the current buffer.

I have two questions.
- What is the vi vocabulary (ie, what word will the documentation use) for the "target"?
- Is there a way to load the contents of a file into the current buffer, or replace the contents of the current buffer with a file, *without* updating the "target"?