The primary goal of propaganda art is to convey a political message and/or to influence a particular group to support something.
One of the main differences between the renaissance mass and a renaissance motet is that the mass is always based on a specific text that is part of the liturgy of a given day. Motet is not connected to some specific text that is part of the liturgy but is also like the mass usually sacred.
Telecommunications is a field dedicated to systems that transmit data, text, sound and video between users. Telecommunications professionals also maintain the services for these systems, including telephones, internet access, and cable and satellite television.
~I hope this helps!~
