olemus
ühe saatva ja ühe vastuvõtva poolega,
individuaalselt adresseeritav

Wiktionary:
1. (computing, networking) being the transmission of messages to a single destination host on a packet switching network

ISO/IEC/IEEE 8802-11:
individually addressed

ülevaateid
https://en.wikipedia.org/wiki/Unicast

vt ka
- levisaade
- multisaade
- monoaadress