This is the 1080th most frequent Polish word.
koncie
"Koncie" is the locative or dative form of "konto," meaning "account."
In this sentence, 'koncie' refers to a bank account, indicating the savings deposited there.
Mam wystarczające oszczędności na koncie, aby kupić nowy komputer.
I have enough savings in my account to buy a new computer.
Here, 'koncie' means a company's financial record or account.
Pod koniec dnia, podliczymy wszystko na koncie firmowym.
At the end of the day, we will account everything in the company's account.
In this context, 'koncie' is used metaphorically to refer to an aspect of one's achievements or record.