Languages we do not speak or understand may sound like meaningless babble to us, but all the human languages that have ever been studied by linguists are amazingly similar. They all share a number of ...Languages we do not speak or understand may sound like meaningless babble to us, but all the human languages that have ever been studied by linguists are amazingly similar. They all share a number of characteristics, which linguists call language universals. Descriptive linguistics studies the structure of the different languages and look at things like of syntax, semantics, and pragmatics.