This is the 199th most frequent French word.
celle
"celle" = "the one" (feminine singular).
Demonstrative pronoun used to refer to a specific individual.
Celle qui chante est ma sœur.
The one who is singing is my sister.
Demonstrative pronoun used to refer to a specified item.
Je préfère celle-là.
I prefer that one.
Demonstrative pronoun used to make a possessive or locational distinction.