This is the 977th most frequent Polish word.
szczytu
"Peak" or "summit."
'szczytu' refers to the peak or summit of the mountain in this sentence, showing a literal, geographical usage.
Widok ze szczytu góry zapiera dech w piersiach.
The view from the mountain summit takes your breath away.
'szczytu' is used to denote a peak or highest intensity point in terms of traffic levels, describing a temporal or intensity-related peak.
Ruch uliczny osiągnął poziom szczytu w godzinach popołudniowych.
Traffic reached its peak level during the afternoon hours.
'szczytu' is used metaphorically here to represent the pinnacle or highest point of development or achievement.