There is a structured way to define and enhance relationships between blocks/knowledge items, its called a discourse graph. Leveraging such a graph can make knowledge synthesis a lot more efficient and can help represent complex knowledge ecosystems such as scientific literature or debate on a given topic. Knowledge synthesis: A conceptual model and practical guide · Open and Sustainable Innovation Systems (OASIS) Lab
here is a feature request to bring this functionality to logseq Improve Graph View: Relationship Types, Link Styling and Graph Parameters like in Cosma