This is the 19675th most frequent Korean word.
엄마를
"엄마를" means "mom" or "mother" as the object of a sentence.
Here, '엄마를' is used as the direct object of the verb '사랑합니다', which means 'to love.' It indicates that '엄마' is the one being loved.
저는 엄마를 사랑합니다.
I love my mom.
In this sentence, '엄마를' is the direct object of '그렸어요' (drew). It specifies that the mother's likeness was the subject of the drawing.
학교에서 엄마를 그렸어요.
I drew my mom at school.
This usage of '엄마를' shows it as the direct object of '보았어요' (saw), meaning the mother is the one being observed in the context of a movie scene.