General settings

Basic platform configuration for MVP (currency, timezone, service zones). Delivery fee and tax remain on Fees & Tax.
Default currency (ISO 4217)
Used for labels and future pricing rules; does not change existing order totals.
Default timezone (IANA)
Platform-wide reference; vendor-specific hours still use each vendor's timezone where configured.
Service zones
One zone per line (MVP reference for ops and future delivery rules). Max 80 zones, 120 characters each.