This is the 11088th most frequent Portuguese word.
lenta
"Slow."
Here, 'lenta' is used as an adjective to describe someone as 'slow' in her way of handling issues.
Ela é lenta quando se trata de resolver problemas.
She is slow when it comes to solving problems.
In this case, 'lento' (masculine form used for 'carro') is an adjective describing the car as moving at a slow pace.
O carro velho anda muito lento na estrada.
The old car moves very slowly on the road.
Here, 'lenta' is used as an adjective to describe the tempo of the music, emphasizing gradual and soothing characteristics.