... for mathematical meaning. Furthermore, the order of symbols in algebra has an effect to the meaning. For instance, 'x = 5x - 2' compares with 'x = 2 - 5x'. It has different meaning and rule for solving the problem. This definition also includes computer language which is a special set of symbols, letters, numerals and rules, used for the transmission of information in computer. Computer language has rules for operating and programming. When you use the computer, you should follow the rules in order to operate the computer properly. According to the definition, body language is not a language because body language has no grammatical rules for expression of meaning. Moreover, each body movement can show only one or two words. We cannot use body language for the whole sentence. For example, thumb up signals very good job but you cannot use it to express what the whole sentence you ...

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