A board doesn't write in words — it writes in two-letter designators and schematic glyphs printed in white on the laminate. Each one is a job. This is the dictionary for the part of that language spoken to the silicon: how the board feeds it, clocks it, protects it, and lets it speak.
Scope. Only the vocabulary that exists to serve the die — power delivery, the reference clock, gate protection, and the socket. The full board has many more words (audio, networking, connectors, lighting); those aren't talking to the substrate, so they sit this one out.
the power path to the die — and what the capacitor at the node actually does to the rail
core current demandrail without decouplingrail with the cap