Transfers are images that have been printed on a special type of film, sometimes using a special type of ink, to be pressed on a garment. Transfers are also made out of HTV and the design is made using a vinyl cutter such as a Silhouette, Cricut or other cutting machine.

The process of applying a design printed on a special piece of paper to be placed on (most likely) a t-shirt with use of a heat press machine. 

The heat press machine works by heat and pressure to apply the design to the t-shirt.