Here is the clear difference, kept in the traditional Jain sense:
- Dik-vrata: One of the 3 Guna-vratas (merit vows) for householders.
- Desāvakāśika-vrata: One of the 4 Śikṣā-vratas (disciplinary vows) for householders.
- Dik-vrata: Lifelong “direction/area-limit” vow — you fix a broad boundary in all ten directions (north, south, east, west, NE, NW, SE, SW, above, below) and resolve not to go or transact beyond it.
- Desāvakāśika-vrata: Stricter “space-limit for a fixed time” — within the already fixed limits (like Dik-vrata), you further confine yourself to a much smaller area for a set period (e.g., for a day or part of a day).
- Dik-vrata: Broader geographical limit; generally long-term/ongoing.
- Desāvakāśika-vrata: Very small area (house, a few rooms, a street, or city-sector); observed for a limited time.
- Dik-vrata: Reduces worldly roaming and business reach, so himsā and new karmic bondage lessen over the long run.
- Desāvakāśika-vrata: Trains in tighter restraint and preparedness for ascetic conduct; supports samayik, pratikraman, study, and upavāsa by minimizing movement and distractions for that period.
- Relationship between the two
- Desāvakāśika-vrata is an intensification inside the framework set by Dik-vrata (and by Bhoga‑Upabhoga‑parimāṇa). It narrows space further and adds a time-box.
- Dik-vrata: “I will not travel or do business beyond this city’s limits (in any direction).”
- Desāvakāśika-vrata: “Today, from sunrise to sunset, I will remain only within my home and courtyard.”
- Digambar and Śvetāmbara notes
- Both traditions accept the same essential meanings. Minor procedural details (like how the boundary is marked or measured) may vary by text or local ācārya’s guidance, but the intent remains identical: spatial restraint to reduce himsā and cultivate saṃyama.
For a simple overview of all 12 vows with these two included:
- Twelve Vows of a Layperson
- Brief Q&A style explanations