Individuals are the members of clasees, i.e. objects which are described by the ontology.
    个体是clasees的成员，即由本体描述的对象。
    **
    Here we see that the individual east1 _is an instance of the class _East and of the class Train, and further that it is in the relationship hasCar with a number of other individuals, namely car_11, car_12, car_13, and car_14. Firstly in Turtle, and then most of that same information as it appears in Protege.
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    Note here we can also describe a class as exactly _a set of named individuals. Here, the class _Load is a subClassOf Shape, and comprises exactly the individuals circle, hexagon, recatangle and triangle.
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    The Turtle says the same thing:
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