This is the 678th most frequent Serbian word.
исте
"Исте" in Serbian means "the same" or "identical" (plural form).
Here, 'исте' implies 'the same' when referring to people being the same as previously mentioned.
Истe сте особе које сам видео јуче.
You are the same people I saw yesterday.
In this context, 'исте' refers to 'the same' things, specifically ideas or thoughts.
Да ли исте мисли и пушташ још неке?
Do you entertain the same thoughts or let in others as well?
Here, 'исте' is used to mean 'the same' for advice being the same as someone else's.