Tendered to delivery service provider is a notification that is released from the last mile partner of delivery service. It means that the parcel has been dropped off at the last delivery unit that is maybe your nearest post office.
Tendered for delivery
Tendered for delivery is the notification given to the delivery service provider company when the order is for the shipment from the warehouse. You received many of these kinds of notifications when you check the delivery status of your order which is late.
Conclusion
So, Tendered for delivery is the notification that can help you whenever your order near to your house post office. And Big companies like DHL FedEx and more no deliver your parcel direct to your house and that why this companies has many partner work with them for you. And notify you when your parcel has only one step to reached your home.