It goes from one place to another, poof, without physically traveling the distance in between.
People physically travelled around transporting and sharing databases of information and software on disks.
It is also hinted that Tonetown itself may have been created entirely by Gramps' imagination, who then discovered a way to physically travel to it.
You don't have to physically travel to physically sell.
Spacelike paths cannot be physically traveled (as they require moving faster than light).
In many cases, the materials themselves were available only to researchers who physically travelled to the collections.
He is also able to physically travel along people's timelines when he is working with a time channeller, such as his friend Emily Blandish.
His power involved summoning and commanding monkeys; however, the monkeys did not simply appear, they had to physically travel from wherever they happened to be.
Money from each setting would be valuable in the crossroads, at various conversion rates, and characters would be able to physically travel from one world to another.
The sound doesn't physically travel through the air.