confins

In a sentence

• Aux confins de la ville, on trouve un ancien château.

  At the outskirts of the city, there is an old castle.

  Here, 'confins' refers to the edges or limits of a geographical area, indicating the borderline where the city ends.

• Les confins de son imagination semblent sans limites.

  The bounds of her imagination seem endless.

  In this sentence, 'confins' is used metaphorically to describe the limits or the farthest reaches of the imagination.

• Ils ont exploré les confins de l'univers connu.

  They explored the confines of the known universe.

  Here, 'confins' expresses the extreme limits of a defined concept, namely the 'known universe', emphasizing exploration to its utmost edge.