Savage Rumbaugh

5. a visual symbol system, a board covered with geometric symbols that brighten when touched.
6. the use of symbols to stand for or refer to objects, situations, events, concepts, etc.
12. the language used around us, by our family, determines the language we speak.
13. creating infinite new messages/meanings.
14. any utterance which includes any part of a companion's prior keyboard utterance.
15. Kanzi and Mulika.
17. the basic or inherent features, character, or qualities of something.
18. bias created by a person's own interpretation or point of view.
19. the way in which one animal or person transmits information to another and influences them.
20. the sender can initiate language at will and does not have to wait for triggers or cues.

1. a small number of signals that by themselves are meaningless, but can be put together according to certain rules to make an infinite number of messages.
2. using language to talk about language.
3. any explanation or method that simplifies behaviour and experience in such a way that the complexity of the human condition may be underestimate.
4. communication about non-presenting things.
7. The sum of environmental influences and conditions acting on an organism.
8. any utterance initiated by questions, requests, or object-showing behaviour on the part of the companion.
9. the sending and receiving messages.
10. Austin and Sherman.
11. the symbols used do not have to resemble the objects they stand for.
16. the creation of conversation about things that have not happened.