This is the 8044th most frequent Polish word.
niedługo
"Not long" or "soon."
Here, 'niedługo' is used to indicate that something will happen soon, shortly in terms of time.
Niedługo zaczynamy lekcję.
We are starting the lesson shortly.
In this case, 'niedługo' denotes proximity in time after a specified point, without much delay.
Film zaczyna się niedługo po 17:00.
The movie starts shortly after 5:00 PM.
Here, 'niedługo' is used again to express a near future occurrence close to the present moment.