White-space (also called negative-space) is the empty space between elements. The argument for using white-space is often that it gives the elements space to breathe and therefore makes a design visually more pleasing.
I would never say anything against this, but I’d like to add a perspective: When you use white space, you can group elements. This helps the user to easily understand what elements are related and make better assumptions, what element can be found where.
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Use white space to improve aesthetics, and build groups to help users orientate.
Written by Jonas Kamber, Digital Product Nerd and UX Enthusiast since 1998. LinkedIn