Cross lines that are added on the four corners of a layout to mark out a small extra margin is called: D. trim.
Layout design can be defined as a graphical design process that involves the use of one or more grids for the design of a catalog and system, so as to make the designs visually appealing to end users.
In a layout design, trim refers to the cross lines that are added on the four (4) corners of a layout to mark out a small extra margin.
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