This is the 9761st most frequent Russian word.
экспресс
"Экспресс" means "express," referring to rapid transport or service.
Here, 'экспресс' refers to a fast train service.
Я заказал билет на экспресс до Москвы.
I booked a ticket for the express train to Moscow.
Here, 'экспресс' indicates quick delivery service for a parcel.
Она отправила экспресс посылку в другой город.
She sent an express parcel to another city.
In this case, 'экспресс' describes something prepared quickly, like a snack.