What does the phrasal verb "back up" mean in this context?:
"Did you back up the files before the computer crashed?"

To:

make a copy of something to protect against loss

What does the phrasal verb "bring forward" mean in this context?:
"Let's bring the meeting forward to 2pm."
To:

move a deadline/ time closer to the current time

cancel a previously agreed upon appointment

move a deadline/time further away from now

What does the term "check in" mean in this context?:
"Did you check in with the boss about your timesheet?"
To:

report one's placement on a flight or in a hotel

stay at a place for an extended period of time

What does the phrasal verb "call in" mean in this context?:
"I got called into work today so I won't be able to go to the movies with you."
To:

What does the term "laid off" mean in this context?:
"Daniel got laid off yesterday, that's why he isn't here today."
To:

What does the phrasal verb "back up" mean in this context?: "Did you back up the files before the computer crashed?" To: