The sign you referred to, Symbolic note 1010-58, indicates a "No entry" for vehicles. This sign is used to signal that certain roads or areas are restricted for vehicle entry, typically to prevent traffic from entering one-way streets or zones designated for pedestrians or cyclists only.
When you see this sign, it means that you must not proceed past this point with your vehicle. Ignoring this sign can result in fines or points on your driving record, so it's essential to be aware of these restrictions to ensure safe and lawful driving.
If you have any additional questions about traffic rules or other signs, feel free to ask!