what is staging ?

In this video we go over what a "staging area" is in a data pipeline and why we should use it.

[kobayashi]

If i have a dump file from database and store it in my machine, does it mean the files are staged locally?

[jitendraurkude]

For how much time the data is stored in staging area??
some is asked this question in my interview

[shraddhabhot]

Whats the difference between staging and landing are?

[Frranklin]

what kind of storage does staging have?