This is the 2259th most frequent Russian word.
зарплату
Salary.
In this sentence, 'зарплату' (zarplatu) is used as a direct object to indicate what is received. It is in the accusative case since it is the object of the verb.
Она получает зарплату каждый месяц.
She receives a salary every month.
Here, 'зарплаты' (zarplaty) is in the genitive case, following the word 'получения,' to denote the salary as something to be received.
Для получения зарплаты, нужно заполнить эту форму.
To receive the salary, you need to fill out this form.
In this sentence, 'зарплатой' (zarplatoy) is in the instrumental case to express the means of satisfaction.