a line that does not end in a space

Permanently active connection between two parties within a network. No other participant can use this connection.

A physical line connecting the subscriber to the telephone exchange. Typically, fixed-line network is used to refer to the PSTN (see below) to distinguish it from mobile networks.

Telecommunications lines connected to physical points and are not wirefree.

In "fixed line" mode, the section displayed in a given view will always include the line of voxels lying on the fixed line. This means that the controls will become a single slider to control the rotation around the fixed line.