Treat connections as verbs: supports, challenges, derives, relates, precedes, depends, exemplifies. This clarity improves search, filtering, and storytelling. Later, when you zoom the graph, you can fade incidental relations and spotlight argumentative structure, making decisions auditable and learning loops explicit for collaborators and your future self.
Attach sources, dates, confidence levels, and authorship to nodes and edges. Lightweight metadata enables powerful queries and protects against misplaced certainty. An evidence edge with low confidence invites retesting, while a high‑confidence contradiction deserves attention immediately, preventing fragile castles of inference from silently accumulating.
A tiny legend explaining colors, shapes, and line styles dramatically reduces onboarding time for future you. Consistency compounds understanding; inconsistent encodings create fog. Choose a palette you can sustain, document gently, and let the interface whisper meaning instead of forcing readers to memorize rules.