Guttering -

Gutter highlights how-to - Technical Support - Sublime Forum

: Thicker books require deeper gutters (wider margins) because the bulk of the pages prevents the book from opening flat. GUTTERING

Beyond physical books, the term is used in digital layouts to manage "white space." Gutter highlights how-to - Technical Support - Sublime

The gutter ensures that text doesn't disappear into the "fold" (the spine) of a bound document. GUTTERING

In publishing and design, the is the crucial extra space added to the inside margin of a layout to account for binding. 📖 The "Gutter" in Text & Publishing

: Prevents text from being obscured or lost in the binding.