In Jain tradition, the Vidyādevīs are mainly regarded as deities of knowledge, learning, wisdom, speech, and protection of spiritual study.

However, their exact individual functions are not fixed in one universal list across all Jain texts and traditions. Different Jain scriptures and sects describe them somewhat differently, so there is no single standard “this vidyādevī governs this exact subject” mapping accepted everywhere.

In a broad sense:

• All Vidyādevīs support vidyā, jñāna, and śruta — learning and right knowledge.
• Some traditions assign them roles connected with speech, memory, writing, arts, protection, and intellectual clarity.
• Their worship is meant to aid spiritual and scriptural study, not worldly power.

If you want, I can give the traditional names of the Vidyādevīs and their commonly associated functions in Jain practice.