Russian Expressions в течение and во время

Did you know that both в течение and во время mean during in English, but в течение is normally used with time expressions and во время with the other expressions.

For example,

Работа будет выполнена в течение месяца. The work will be finished during this month.

Во время ужина он вышел из комнаты. During the dinner he went out of the room.