You will quickly get disoriented, so drawing a map will help. Directions are sometimes one-way.
There's a place for (almost) everything... you've just got to put them there.
Examine everything.
You need to find a reference that will help you with them (see next).
Have you found the journal? It will help you understand what to.
Each word in the journal will translate to something you have to do with the vines. If you make a mistake, just start again from the beginning.
The poor creature looks hungry, or maybe bored. Perhaps find it something to chew on.
You also found something else. Maybe you can find a place to put it.
Well, what do you do when you find a magic fountain that grants magical insight to whomever drinks from it?
Now you have to find and solve the hidden puzzle. The fountain has given you brand new insight.
The game has restarted, but now you can see things a little more clearly. Take a look around.
Keep going... soon you'll be able to see even more.
Put everything back where it's supposed to go - you'll know when you can see what you're missing.
Go back through and check things out. Examine things, especially those things that you might have noticed before.
Have you seen the boomerang? Have you used it? More than once?
Each item should have granted you new insight - what do those things mean?