This is the 776th most frequent Indonesian word.
tepatnya
"More precisely" or "to be exact."
Here, 'tepatnya' means 'specifically' to provide a more precise detail about the mentioned context.
Saya tinggal di Indonesia, tepatnya di kota Bandung.
I live in Indonesia, specifically in the city of Bandung.
In this sentence, 'tepatnya' is used to denote an exact time, akin to 'exactly'.
Acara akan dimulai pada hari Senin, tepatnya pukul 09.00.
The event will start on Monday, exactly at 09:00.
'Tepatnya' here functions to clarify or pinpoint the precise locality, translated as 'precisely'.