Classify the myriad signs.
Trace every art to its record.

From oracle bones, yarrow and numerical hexagrams to Hetu-Luoshu and Najia: the symbolic, temporal and numerical languages shared by many later systems.

Distinct traditions of inference built around hexagrams, lines, correlative roles, oracular texts and large-scale models of time.

Taiyi, Qimen, Liuren and related methods organize time and space through nine-palace models, cosmic boards, agents and calendrical rules.

Interpretive models of individual life cycles based on birth time, stems and branches, palaces or celestial positions.

From state astrology to winds, cloud forms and phenology: how observations became political and human interpretation.

Approaches to dwellings, graves, settlements and landscapes through form, orientation, timing and spatial order.

Historical systems of classification and analogy based on appearance, bones, voice and movement, studied together with their risks of bias.

Traditions matching activities with calendrical days, seasonal nodes, the Twelve Officers and other almanac factors.

Lots, moon blocks, character analysis, dream books and local quick methods reveal the diversity of divination in everyday life.