Front-end developers are often in a position of trying to interpolate between a (static) design and the (dynamic) needs of a product. When something comes up that isn’t quite covered by the design, what should you do? In an ideal world we could have a conversation with the designer, but the world is rarely ideal, so it’s useful to have at least a sense of good practices to apply.
This article is great because it keeps it simple - just four straightforward principles. As author Anna 4erepawko Mészáros says:
Will this help you create shiny beautiful designs? No. Will this help you create great, clear and comprehensible designs that everyone can easily understand and interact with? Absolutely.