Streamdis Terminology. Streaming is technique used for transporting digital content through the internet. A live stream plays simultaneously or in real time with the event. On demand streaming means the event is recorded and can be viewed at any time. Webcasting means distributing media files over the internet using streaming technologies. Webinars are seminars which are webcasted to the audience. A podcast is a series of digital media files that can be downloaded on the user's computer or other device for offline use.