Tag   T&A
Microchip attached to an antenna, enclosed in label or other "package" so it can be applied to an object.
Timeand Attendance. An application using bar code employee badges and bar code slot reading terminals to enter employee start/stop data.
Thermal Direct   Thermal Transfer
A printing method where dots are selectively heated and cooled and dragged upon heat-sensitive paper. The paper turns dark in the heated areas.
A printing method like thermal direct except a onetime ribbon is used and common paper is used as a supply. This eliminates the problems of fading or changing color inherent in thermal direct printing.