This is the 1869th most frequent French word.
modifier
To change or adjust.
The word 'modifier' in this sentence is used in the context of making changes to something, specifically a file.
Je dois modifier ce fichier avant de l'envoyer.
I need to modify this file before sending it.
Here, 'modifier' refers to changing or adjusting one's behavior.
Ils souhaitent modifier leur comportement pour mieux réussir.
They wish to modify their behavior to succeed better.
In this example, 'modifier' is used to indicate alterations made to the aesthetic aspects of an image.