Mesopotamia
Hope that's what you need
Answer: <em>a boundary between language regions</em>
Explanation:
An isogloss is also referred to as the hetero-gloss. It is described as the geographic barrier i.e. boundary of particular linguistic characteristic, for example the pronunciation or the spelling of vowel, connotation of a word, the implication of a morphological/linguistic or grammatical characteristics.
Formed<span> as part of the Department of Homeland Security in 2003, Customs and Border </span>Protection<span> (CBP) is tasked with regulating international trade and among other things guarding against terrorism</span>
I believe the answer is: semantic memory
Semantic memory refers to a type of memory that we obtained through our experience in our life. This usually include memory regarding general knowledge, (such as name of president) , understanding of culture, understanding of human interaction, etc.
The answer is; within us all.
<em>Hope this helped! :)</em>