This is the 159th most frequent Serbian word.
децу
"Децу" means "children" (accusative case) in English.
The word 'децу' is in the accusative case, indicating the direct object of the verb 'saw'.
Видела сам децу у парку.
I saw children in the park.
The word 'деци' is in the dative case, showing the indirect object receiving care.
Она увек брине о деци.
She always cares for the children.
The word 'деца' is in the nominative case, serving as the subject of the sentence.