This is the 16798th most frequent Polish word.
wyjaśniana
"Wyjaśniana" means "being explained" in English.
In this sentence, "wyjaśniana" is the feminine singular past passive participle of "wyjaśniać", agreeing with "sprawa" (matter), and indicates that the matter is in the process of being clarified.
Wyjaśniana sprawa dotyczyła błędów w fakturach.
The explained matter concerned errors in the invoices.
Here, "wyjaśniana" describes the feminine singular noun "kwestia" (issue) and signifies an ongoing clarification action by external actors.
Kwestia była wyjaśniana przez ekspertów w tej dziedzinie.
The issue was being explained by experts in this field.
In this example, "wyjaśniana" modifies the feminine singular noun "sytuacja" (situation), implying a recurring or habitual process of explanation associated with the noun.