Why can't you record or playback on smart tv?

I have cable and I like to record movies on my smart tv but cant why or:I have cable and I like to record movies on my smart tv but can't whyor:You ha

I have cable and I like to record movies on my smart tv but can't why

or:I have cable and I like to record movies on my smart tv but can't why

or:You have to have a cable box that allows recording and playback. If you don't have cable then you need an OTA (On The Air) box.www.howtogeek.com/411743/what-is-an-ota-box-and-how-does-it-enhance-free-tv/

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