The correct answer is option C: Flow of control. In a flowchart, an arrow represents the flow of control or the direction in which the process moves from one step to another. It indicates the sequence in which the different steps and decisions are executed.

A flowchart is a visual representation of a process or a system. It uses various symbols and shapes to represent different steps, decisions, inputs, outputs, and connectors. These symbols are connected by arrows to show the flow or sequence of the process.

Here is a breakdown of the different symbols commonly used in flowcharts:

1. Start/End symbol: This symbol represents the beginning or end of a process. It is usually depicted as an oval shape.

2. Process symbol: This symbol represents a specific step or action that needs to be performed. It is usually depicted as a rectangle or a box.

3. Decision symbol: This symbol represents a decision point where a question is asked, and the process flow diverges based on the answer. It is usually depicted as a diamond shape.

4. Input/Output symbol: This symbol represents the input or output of data or information. It is usually depicted as a parallelogram.

5. Connector symbol: This symbol represents the flow of control from one step to another. It is usually depicted as an arrow connecting the different symbols.

The arrow is used to connect the different symbols in a flowchart and shows the direction in which the process flows. It indicates the sequence in which the steps are executed. The arrow points from one symbol to another, showing the flow from the previous step to the next step.

In summary, the arrow in a flowchart represents the flow of control or the direction in which the process moves from one step to another. It shows the sequence in which the different steps and decisions are executed.