This is the 1592nd most frequent Catalan word.
finestra
Window.
Literal use of 'finestra' meaning a physical window in a building.
Va obrir la finestra per deixar entrar aire fresc.
She opened the window to let fresh air in.
Figurative use of 'finestra' to denote a time period or opportunity.
La finestra d'oportunitat per presentar la sol·licitud ja ha tancat.
The window of opportunity to submit the application has already closed.
Technical use of 'finestra' referring to a computer/interface window.