Word origin · etymology
Editorial English object-based title.
Chart names a diagram, and board a working surface or patterned layout. Divination identifies their interpretive use; the title groups devices rather than one named doctrine.
How we know · epistemology
Editorial subject classification
“Charts & divination boards” is a browsing category chosen for this atlas. Its child entries share a topic or practical connection. This grouping is not evidence that all of them descend from one historical lineage; transmission claims require separate sources.
Connected concepts
Terms used in this explanation
These links connect subjects and terminology. They do not establish a shared historical origin.
Sources & provenance
Use the citations beside each section to distinguish a calculation convention, a historical teaching and an editorial example.