Other Expressions For "When and While"

WHEN
SAME-TIME¹
We were eating at the moment he called.                         We were eating when he called.
We were eating at the time he called.  (point, instant)                         We were eating when he called.
We were eating whenever he called. (any time)                         We were eating when he called.
IMMEDIATELY AFTER²
We stopped eating upon receiving his call.                          We stopped eating when we received his call.
We stopped eating just as he called.                          We stopped eating when he called
We complained immediately after he called.                          We complained when he called.
We complained shortly after he called.                          We complained when he called. WHILE           SAME-TIME                    We were eating dinner as he was talking / talked on his phone.                     During the time that we were eating dinner,  he was talking / talked on on his phone.                     He was talking / talked on his phone throughout the time that we were eating.                     He was talking / talked on his phone at the same time that we were eating.                     He was talking / talked on his phone. Meanwhile, we were eating.                     He was talking / talked on his phone during the time that we were eating.                     He was talking / talked on his phone all the while we were eating. (expression)