what does make the signature a signature?

in fact the signature sould be unique, and here check my signature below to see what i mean... well in case you still haven't figure out, it's a puzzel, a simple one

now the question is; there are 16 words among the fading symbols, FIND OUT WHAT IS IT THEN TELL ME

* You have the clue: "seek my light to see my words.. it might come in handy" just think

i programmed it using flash and ActionScript so if you have problems viewing it you have to update yourflash player to the latest version