To describe appropriate ways for employees to behave online.
Explanation:
This is an outline. This section is about posting considerations, specifically about how to act online. It is a sample from a blogger code. It shows employees the appropriate ways to behave while online, but it isn't a procedure. It's just a general list of guidelines of things to do and not to do while online.
I would've chosen cheap at first but then thrifty means being cheap and using it for a cause, not wastefully. So that's why it best fits that sentence. Hope this helps!