A DTPS is a service providing television programmes - generally, a DTPS consists of “normal” television channels (consisting of moving pictures), including their interactive enhancements. A DTAS is a service which usually consists of self-standing text or data services, including teletext services and EPGs.
A TLCS is a television service broadcast from a satellite, distributed using an electronic communications network (including services broadcast over the internet), or a service made available by a radio multiplex.
An RTSL-E is a licence which allows the broadcasting of television programmes for a particular event. Both a Broadcasting Act licence and a Wireless Telegraphy Act licence are required in order to broadcast a restricted television service.