A videoconference is real time interaction between two or more people using simultaneous video and audio transmissions over a network.
Its main purpose is to serve a conference but it can be used to support distance learning, small and medium scale meetings, collaborative working and interviews.
Desktop (video) conferencing is a similar concept to traditional video conferencing, but using your PC / Laptop or even mobile device instead of dedicated hardware. A software solution and built in, or a cheap additional microphone and webcam, allow anyone to join or create a conference environment anywhere.
A webinar is essentially just a seminar or workshop held over the Internet, and it can be a presentation, discussion, demonstration, or other instructional session.
Our video and webinar tools page will tell you more about the range of tools available to you.