With all those acronyms it is easy to get confused. So, here it is an easy explanation.
Traditional Tv programming.
OTA (Over the Air)
Traditional tv channels.
VOD (Video On Demand)
Video that can be watch whenever you want.
Cable Supported VOD
On demand content that can be watched using the cable set top box.OTT (Over The Top Apps services) and CTV (Connected Tvs)
SVOD (Subscription based Video On Demand)
You pay a monthly or annual subscription and you will have access to all the content.