This is the 16468th most frequent Korean word.
빵이
"빵이" means "bread" (subject/topic marker attached).
빵이 is the subject of the sentence, indicating 'bread'.
빵이 맛있어요.
The bread tastes good.
빵이 is again the subject, specifying the location of 'bread'.
빵이 테이블 위에 있어요.
The bread is on the table.
빵이 is the subject, focusing on the action of 'bread' being baked.