Hello, I would think that there are more than 3 possible translations.
I think of the following.
"on" translated by "we", which is the most common.
You and I, we find Brainly.com very useful.
Toi et moi, on trouve Brainly.com trés utile.
"on" translated by "one"
When one is following the honour code, one should not spam with silly answers.
Quand on suit le code d'honneur, on ne doit pas spammer le site avec des questions stupides.
"on" translated by "people"
In France, people eat frog legs.
En France, on mange des cuisses de grenouilles.
Hope this helps.
Thank you
