subcolumns
Subcolumns are subdivisions of a single vertical column used in typesetting and page or interface layout to break content into narrower lanes within the same column area. They are used to increase density, improve readability, and organize information such as lists, forms, or financial data without introducing additional page space. In print, subcolumns are created by dividing a column into two or more equal or proportionally sized tracks, separated by gutters, while maintaining a shared baseline grid across the parent column.
In digital design, the effect can be achieved by nesting column containers or by using grid systems
Common use cases include newsletters, data-heavy tables, forms with multiple fields aligned in parallel columns, and
Challenges include responsive adaptation, as subcolumns must reflow gracefully on narrow viewports; equal width distribution, vertical