wcześniejszej

In a sentence

• Muszę poprawić błędy z wcześniejszej wersji raportu.

  I need to correct mistakes from the previous version of the report.

  The word "wcześniejszej" is used here as an adjective in the genitive case, describing "wersji" (version) to indicate its precedence in time.

• Wspominałam o wcześniejszej decyzji zarządu podczas zebrania.

  I mentioned the previous decision of the board during the meeting.

  In this sentence, "wcześniejszej" functions as an adjective in the genitive case, modifying "decyzji" (decision), referring to its occurrence prior to the current context.

• Jestem odpowiedzialna za wdrożenie wcześniejszej strategii firmy.

  I am responsible for implementing the company's earlier strategy.

  Here, "wcześniejszej" serves as an adjective in the genitive case, qualifying "strategii" (strategy), to designate its position in prior happenings.