There is not a philosophical method, though there are indeed methods, like different therapies.
Transparency painted in a picture produces its effect in a different way than opaqueness.
The world of the happy is quite different from that of the unhappy.
Your questions refer to words; so I have to talk about words. You say:;: The point isn't the word, but its meaning, and you think of the meaning as a thing of the same kind as the word, though also different from the word. Here the word, there the meaning.
The world of those who are happy is different from the world of those who are not.
I give no sources, because it is indifferent to me whether what I have thought has already been thought before me by another.
If we spoke a different language, we would perceive a somewhat different world.
It is obvious that an imagined # world , however different it may be from the real one, must have something - a form - in common with it.