Which packaging innovation for religious texts was specifically designed in the 4th century CE to replace scrolls and make scripture more accessible to early Christian communities?

Throughout history, religious texts have been packaged and presented in various ways that reflect their spiritual significance. From ancient scrolls to modern digital formats, the packaging of sacred writings has evolved dramatically while maintaining reverence for the content. This trivia explores how religious publications have innovated their packaging design to balance tradition with accessibility across different faiths and eras.

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The codex format (bound pages between covers)
The illuminated manuscript with gold-leaf embellishment
The Torah scroll protective case (Tik)
The palm-leaf binding system with cord threading