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			| 1.
								a particular environment or walk of life 2.
								territory over which rule or control is exercised
 his domain extended into Europe
 3.
								the set of values of the independent variable for which a function is defined
 4.
								people in general; especially a distinctive group of people with some shared interest
 5.
								a knowledge domain that you are interested in or are communicating about
 it was a limited domain of discourse
 
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