The Buddha said:
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And what, bhikkhus, are the five aggregates? Whatever kind of form there is, whether past, future, or present, internal or external, gross or subtle, inferior or superior, far or near: this is called the form aggregate. Whatever kind of feeling there is … this is called the feeling aggregate. Whatever kind of perception there is … this is called the perception aggregate. Whatever kind of volitional formations there are … these are called the volitional formations aggregate.