Practitioner informative
KERIDoc's diagrams: KERI and ACDC architecture, the KERIA service architecture, backed and backerless issuance and revocation, an animated view of how the repositories connect, and visualizations collected from Slack discussions.
Found through KERISSE, the KERI Suite Search Engine (Kor Dwarshuis and Henk van Cann), whose dataset is the source of the documents the base indexes.