The 3 golden rules of book-keeping are:
Dr. What comes in Cr. What goes out.
Dr. Receivers ( Debtors ) Cr. Givers ( Creditors )
Dr. Expenses Cr. Income
Account to be credited means an entry has to be credited in this account e.g. If cash has been paid out for electricity $100. Then account to be debited is Electricity $100 and account to be credited is Cash $100.
貸方即係點?係咪比果一方? Yes.