“In Transit” means that your package is currently moving through the UPS shipping infrastructure. It may be moving via ground services or air services, but this update means that it is currently in between UPS destinations for sure.
OneDrive is built in to some versions of Windows and can't be uninstalled. But you can hide it and stop the sync process, so it stays hidden.
Those ice crystals you see on your bulk pack of chicken or in your frozen leftovers is moisture that escaped from the food and turned into ice on the outside. It happens for one of two reasons: Either you didn't store your food properly, or your food has just been in the freezer for a long time.