The Darb system is Abu Dhabi's electronic road toll, which automatically charges a AED 4 fee to your online account when your vehicle passes under its gates during the busy hours of 7:00 AM–9:00 AM and 5:00 PM–7:00 PM, Monday to Saturday; registration is mandatory to avoid fines. Separately, a UAE Typing Center acts as a helpful, licensed one-stop-shop that assists residents and businesses by professionally preparing and submitting various official government applications for services like visas, Emirates ID, labor contracts, and document attestation, simplifying complex paperwork and ensuring everything is filed correctly with the relevant authorities.