still (adv): without moving : without motion
Sit still. It'll just take a minute.
She stood very still.
pause [intransitive]: to stop talking or doing something for a short time before continuing
Anita paused for a moment, then said: ‘All right’.
The woman spoke almost without pausing for breath (= very quickly).
I paused at the door and looked back.
Pausing only to pull on a sweater, he ran out of the house.
So, What would we use "People stand still" or "People pause" or other terms if the time stopped completely (like in Sci-Fi movies)?