What is the meaning of have a slot opened?

What is the meaning of have a slot opened? appointment slot meaning You must schedule a visa interview appointment (The Embassy or Consulate does not schedule an appointment slot google calendar You're trying to do the same thing twice You're storing the appointment time in the appointment and relate it to a specific timeslot

appointment slot google calendar Flexible appointment Arrive at your appointment anytime that suits you, during your allocated time slot Express Fast track appointments last 30 minutes

appointment slot Patients could register for a slot—either online or with someone who comes to their home—and then wait to be picked for an appointment From MIT Technology Appointment schedules are a feature-rich appointment booking system that offer a smoother booking experience and more powerful features than appointment slots