okienko

In a sentence

• Mam okienko między zajęciami.

  I have a free period between classes.

  In this context, 'okienko' refers to a free period of time between scheduled activities, often used in an academic setting.

• Przez to małe okienko w drzwiach widać, kto stoi na korytarzu.

  Through the small window in the door, you can see who is standing in the hallway.

  Here, 'okienko' refers to a small window, such as one in a door, which allows visibility from one side to the other.

• Muszę zarezerwować okienko w kalendarzu na spotkanie.

  I need to reserve a slot in the calendar for a meeting.

  In this example, 'okienko' indicates a time slot or an available space for scheduling something.