Alchemy concerns historical approaches to material transformation and the interpretation of nature. Spiritual readings form part of its reception but should not replace the material history.
Polytheism involves belief in multiple deities. The existence of several gods does not by itself settle their relationships, moral authority, or the forms of devotion directed toward them.
Primary sources provide direct evidence for a text, community, or historical setting. Reading them well requires context, precise citations, and comparison with other evidence.