This is the 794th most frequent German word.
punkt
"Point" (dot, period, or mark).
Here, 'Punkt' emphasizes the exact timing of eight o'clock.
Der Zug kam genau um Punkt acht Uhr an.
The train arrived exactly at eight o'clock sharp.
In this context, 'Punkt' refers to a specific idea or argument in a discussion.
Er brachte den Punkt in der Diskussion klar zum Ausdruck.
He made the point in the discussion clear.
In this case, 'Punkt' denotes a punctuation mark used to end a sentence.