There's at least one script that's absolutely, a 100% definitive written language, Maya. There are about half a dozen more that qualify for certain reasonable d

There's at least one script that's absolutely, a 100% definitive written language, Maya. There are about half a dozen more that qualify for certain reasonable definitions of writing. Beyond that, there are hundreds of systems of proto-writing that rely primarily on the cultural context of the speaker to interpret. These were still used to record events and stories, though.