Dial-up connections generally require the dedicated use of a telephone line.
This deep connection requires that the action principle be assumed.
As an example, a rear connection requires a longer length of arms than for a side connection.
The connections between different Underground lines often require reversals on route.
These other possible connections to income taxation require separate investigation for a fuller picture to be painted.
However, the connection between the two is unclear at this time and requires confirmation.
Direct connections require no setup; just plug in the cable and the machines should automatically "see" the services the other one is advertising.
This direct connection will require software to ensure that the motors act exactly in sync.
The connection between the great boulevards required the creation of squares on the same scale.
The actual connection between atoms requires a much more complex explanation.