Oracle Bone Inscriptions's explanation.

Oracle Bone Inscriptions's explanation [animal bones used to practice division]

The animal bones used for divination generally choose the shoulder blades of cattle, sheep and pigs. The animal bones used in ancient divination were mostly the shoulder blades of cattle, sheep and pigs.

Word decomposition

Bu explained that the ancients were superstitious and burned tortoise shells, thinking that the behavior could be inferred from the burning cracks. Anticipate, estimate, guess: forecast. Selection (Location): Buzhai. Lin Bu. Bu (Bu) [Radish] See "(Bu) Luo". Number of strokes:; Radical: bu; The hard tissue that supports the body and protects the internal organs in humans and vertebrates: bone. Bones (the general term for all bones). Joint kinship (1) refers to the person with the closest blood relationship, also known as "bone blood"; B. Metaphors are closely linked and inseparable. Backbone. Like a bone in the east.