The phenomenon of forced displacement has been discussed several times and is a result of "recent events", however, if it is analyzed back in time, it could be found texts in which is evident that  these types of migrations have been existed for ages ago, even when it did not exist such as classifications to address this topic.Regarding the previous statements, throughout the time it is possible to comprehend that the so-called private property has had a characteristic and configurational role of the phenomena mentioned previously.   Finally, some aspects about terminology that take part in the description of migratory flows are described with the purpose of fully clarify the topic studied in this text.