Ren'Py Which is the easiest way to modify , alter and change phrases, sentences and text dialogues in a renpy made game ?

[AraKnus]

Which is the easiest way to modify , alter and change phrases, sentences and text dialogues in a renpy made game ?

 

[anne O'nymous]

https://f95zone.to/threads/modding-renpy-101.2434/

It's relatively outdated, and also too generic in regard of the question, letting the reader believe that editing the original script is the only way to do.
This thread is more complete, with more recent information, while this thread, and this one, target directly what he's asking for. There's another thread, covering a bigger range of possibilities, but I can't find it.