Thank you for giving it a shot =)
You'll have to read the first text "Speak Words" and associate the letters with the symbols. All the puzzles will follow from that.
"speak words" was a little short when looking first example symbols . S = pyramid thing, A = L shape thing. There was gabs missing. I am not sure that was intentional or if 2 letter = one symbol. The second puzzle game me a shield and the info said "??re" (I think). The only other writing on the wall had 2 new simple I never say before and never used the shield.
Maybe it a bug, I am will try the game out again. I just found myself walking in circle look for other clues.