This is the 5793rd most frequent Russian word.
прямую
"Directly" or "straight" (depending on context).
Here, 'прямую' is part of the phrase 'прямая трансляция,' meaning 'live broadcast.' It describes the nature of the broadcast being direct or live.
Я заказал прямую трансляцию концерта.
I ordered a live broadcast of the concert.
'Прямую' in this sentence modifies 'линию,' meaning 'line,' and describes its property of being straight.
Для этого нам нужно провести прямую линию.
For this, we need to draw a straight line.
In this sentence, 'прямую' describes 'дорогу,' or 'road,' conveying the idea of the road being direct.