This is the 14887th most frequent Turkish word.
saniyeler
"Seconds" (a unit of time).
In this sentence, 'saniyeler' is used as the subject of the sentence, referring to time units (seconds) in the plural form.
Saniyeler hızla geçiyor.
Seconds are passing quickly.
Here, 'saniyeler' is the object describing the duration of the process. It's modified by the quantity determiner 'birkaç' (a few).
Bekleme süresi yalnızca birkaç saniyeler sürüyor.
The waiting time lasts only a few seconds.
In this example, 'saniyeler' is used within a prepositional phrase ('saniyeler içinde'), denoting the time frame in which the action occurred.