Humans are social 1 . They like to live and work in groups, and therefore, they form couples and families, villages and cities, work groups, team, and other 2 Language is the "cement" that holds these social groups together. Through language we can 3 ideas and experiences. Our brain think in symbols—words and sentences—as well as in the images that we 4 from our senses. Thus we can turn experiences into symbols and communicate with other people through the use of language. Language enables people to 5 ideas from group to group and from generation to generation.