This is the 1323rd most frequent Spanish word.
saldo
Balance (remaining amount).
In this sentence, 'saldo' is used to refer to the remaining amount of money in a bank account.
El saldo de mi cuenta bancaria es positivo.
The balance of my bank account is positive.
Here, 'saldo' refers to the amount of money still owed in a transaction or debt.
El saldo pendiente debe ser pagado antes del plazo.
The outstanding balance must be paid before the deadline.
In this usage, 'saldo' metaphorically represents the quantity or level of positive emotions or states in someone's life.