This is the 8725th most frequent French word.
bacs
"Bacs" in French translates to "bins" or "containers" in English. It can also refer to the "baccalauréat" (French high school diploma/exam) in informal use.
In this sentence, 'bacs' refers to physical bins or containers used to keep things organized.
Les bacs sont rangés dans la réserve.
The bins are stored in the storage room.
Here, 'bac' is the abbreviation for 'baccalauréat', the diploma awarded to students finishing high school in France.
Après le lycée, elle a obtenu son bac.
After high school, she earned her diploma.
In this context, 'bacs' again refers to containers, specifically for sorting recyclable materials.