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How you talk. along with other kinds of social codes such as how you dress or how you behave, is an important way of displaying who you are: in other words, of :indicating social identity. This question of :identity, who we are, how we perceive ourselves and how others perceive us, is not defined simply by factors such as where we were born and brought up, who our parents are or were, and which socio-economic group we happen to belong to. Identity, whether it is on an individual, social or institutional level, is something which we are constantly building and negotiating all our lives through our interaction with others. Identity is also multifaceted: people switch into different roles at different times in different situations, and each of those contexts may require a shift into different, sometimes conflicting, identities for the people involved. One of the ways in which we accomplish and display this shift is through the language we use.