This is the 633rd most frequent Czech word.
snímku
The Czech word "snímku" means "of the image," "of the photo," or "of the snapshot" (genitive or accusative singular of "snímek").
In this context, 'snímku' refers to a film or movie.
Viděl jsem nový trailer na snímku.
I saw a new trailer for the movie.
Here, 'snímku' refers to a picture or photograph.
Tento detail na snímku ukazuje zvláštní strukturu.
This detail in the image shows a peculiar structure.
In this context, 'snímku' specifically refers to an X-ray image.