Gutter

panels of a comic strip or comic book page

Gutter (philately), the space between panes of postage stamps that creates configurations of "gutter pairs" or "gutter blocks"
Gutter, in interface design, the blank spaces that separate rows and columns in screen. Sometimes uses a small graphic file which has the background color to make space for layout.
Gutter, in Grid (page layout), is the blank space between a column or row.
Gutter, the trough or duct under the eaves of a building, also called a rain gutter.
Street gutter, used to channel rainwater into storm drains.

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