
Language are thing people are make it for communication between human such as body language, finger or hand language, text language, sign language, etc. It make people understand about other people want to told them and help they to present or told other people, this show how to represent the perception,from the lecture show the signifier of dog by use word,picture and simulate to make people understanding this signifier.

From the lecture this quote "Everything is Nothing" I think it true, because from architectural are very beautiful or many concept of building but if people can not understand how to architect want to represnt, it same nothing.