Hockett's Design Features of Human Language Crossword

All signals must have a meaning or function
All communication systems must serve a useful purpose
Possible to send and receive the same message
We learn the language we are exposed to
Meaning associated with a word is arbitrary
Units of language are separate and distinct
Language can reference things that are not present in time/space
Language can be used to say things that have never been said before, but are understandable
Language combines smaller meaningful units into larger meaningful units
Language allows units of the same kind to be nested within other units of the same kind