neutral       das Bild picture, painting   schön beautiful           Er hat ihm das schöne Bild geschenkt. He has given him the beautiful painting.

Das Bild is neutral, singular. Das Bild is direct object (Accusative). If we check the table for the ending of the adjective we'll find that it's -e and the adjective is schöne.

feminine       die Frau woman   intelligent intelligent         Er hat die intelligente Frau geliebt. He has loved the intelligent woman.

Die Frau is feminine, singular. Die Frau is direct object (Accusative). If we check the table for the ending we'll find that it's -e and the adjective is intelligente.