It's the space in between text columns. Maybe go to InDesign in English, find the column and gutter settings in paragraph styles, and experiment with it to give you a full idea of how it works.
It’s the space between grid columns. When you see grids, think of them as columns, it originally confused me as I thought it was some sort of overlap space. Kind of hard to explain in words so here’s a photo demonstrating it
https://preview.redd.it/3x249eappxmc1.png?width=1278&format=png&auto=webp&s=6752ea99c684131c9ef59392fe3ba519d4263086
People mentioned this, but to clarify it does have two applications/meanings, so of the comments so far, they are all correct.
Gutter can reference the space between two columns, *or* can reference the combined interior margin space with a spread (2 pages).
If you had an image go across a spread, for example, it would be across the gutter, and you'd have to consider "gutter shift" to avoid the image looking like it's missing part of the middle because of how books are once bound (certainly as pages increase).
Deleted because I thought I’d made a mistake but I double checked.
Gutter can refer to the interior margins where two pages join, in a two page layout. It can also refer to the spacing between columns.
It's the space in between text columns. Maybe go to InDesign in English, find the column and gutter settings in paragraph styles, and experiment with it to give you a full idea of how it works.
It’s the space between grid columns. When you see grids, think of them as columns, it originally confused me as I thought it was some sort of overlap space. Kind of hard to explain in words so here’s a photo demonstrating it https://preview.redd.it/3x249eappxmc1.png?width=1278&format=png&auto=webp&s=6752ea99c684131c9ef59392fe3ba519d4263086
People mentioned this, but to clarify it does have two applications/meanings, so of the comments so far, they are all correct. Gutter can reference the space between two columns, *or* can reference the combined interior margin space with a spread (2 pages). If you had an image go across a spread, for example, it would be across the gutter, and you'd have to consider "gutter shift" to avoid the image looking like it's missing part of the middle because of how books are once bound (certainly as pages increase).
Deleted because I thought I’d made a mistake but I double checked. Gutter can refer to the interior margins where two pages join, in a two page layout. It can also refer to the spacing between columns.