Final answer:
In a systems flowchart, a solid line with an arrow signifies the logical flow of information or processes within the system.
Step-by-step explanation:
On a systems flowchart, a solid line with an arrow indicates a logical flow. Such a line demonstrates how various elements of a system interact or how data moves through the system. It can represent the sequence of steps that an information system follows to process data. The other options, such as batch total, telecommunications link, and off-page connector, have their own specific symbols or representations in a flowchart.