Definitions for "Sinkage"
The process where the paint sinks into a porous surface. Gloss is reduced by this process. It also shows imperfections such as stopper edges, scratch marks, etc.
The blotchy effect caused by "sinking in" to a printed substrate in the porous areas.
Keywords:  chapter, space, white, extra, top
The amount of vertical space allowed between two design elements or between the top of the type block and the first element; for example, there is often a fixed amount of sinkage between a chapter opener and the first line of text.
Extra white space at the top of a page, usually for a title page or the first page of a chapter.
White space left at the top of a page, in addition to the top margin, most often at the beginning of a chapter. to top
Keywords:  outline, impression, die, proofs, large
the outline, or impression, created by a die, found on most large die proofs.