Registration marks
The marks applied to each film to ensure correct alignment of each colour on press. Sans Serif
A typeface without serifs Serifs
Fine, ornamental strokes across the ends of the main strokes of a typeface. Spreading
A process used to illuminate small areas of white appearing around light coloured text when it reverses out of a dark background. The lighter text is grown slightly (spread) to create a lock-on to allow for the slight movement that occurs when printing.
Trapping/Choking
A process used to illuminate small areas of white appearing around dark coloured text when reverses out of a light background. The light background is run slightly underneath (trapped/choked) to create a lock-on allow for the slight movement that occurs when printing. Widow
The last word or line of a paragraph that appears alone at the top of a new column or page. X-height
The depth of the type, not taking into account the ascender or descender. In the same point size, type with a greater X-height will give the illusion of being larger.