TRACKING WITH USPS OFFICIAL WEBSITE

Label created not yet in system: This means that your order has not reached the post office. It doesn't mean that it hasn't been shipped. Packages have to go through multiple facilities before reaching the post office.

Pre-Shipment: This means that your order has shipped and is in transit to the United States. Once it is scanned in the US, tracking will be updated and maybe an ETA is added.

USPS Awaiting shipment: This means that your order has shipped and is in transit to the United States.

On Its Way To USPS: This means that your order is in the United States, and soon it will be in a USPS facility. 

When your order arrives to the US the tracking will update stating that your order has been processed in a USPS facility. During this stage it will be transfer through different USPS facilities in order to be delivered to you. The tracking status will be updating and maybe an ETA is added.

TRACKING WITH TRACK17 OFFICIAL WEBSITE 

Acceptance or Processed through facility: This means that your order is in transit to the United States. Once it is scanned in the US, tracking will be updated.

When your order arrives to the US the tracking will update stating that your order has been processed in a USPS facility. During this stage it will be transfer through different USPS facilities in order to be delivered to you. Tracking will be updating.