In this episode, we sit down with artist and designer Gavin Day to unpick, unpack and unravel the hidden mysteries and secret powers of fonts and typefaces - how they can make meaning, move mountains and, in certain situations, save lives. Through this conversation with Gavin, a passion for letterforms emerges that may frighten some, may arouse others, and might just convince the uninitiated to look a little closer at the world of words that has been crafted around them by those silent warriors of the electronic pen: designers.