1 used for saying that a particular person or thing is the one that you are referring to and not a different one
Sometimes U.N. troops and their commanders may not even speak the same language.
the same... as: We were staying at the same hotel as my parents.
the same... that: Was this the same Timothy Evans that Carol had gone to school with?
this/that/these/those same: At first many schools resisted the reforms, but those same schools are now seeing the most improvement.
the very same (=exactly the same): I was born on the very same day that my father died.
“Do you mean Vendelin Gajdusek, the Czech writer?” “The very same!”