Final answer:
The parallelogram or slanted rectangle in a flowchart represents 'Data Input or Output,' indicating steps where information is exchanged with the user or another system.
Step-by-step explanation:
In a flowchart, different shapes represent various types of actions or steps in a sequence. The parallelogram, also referred to as a slanted rectangle, represents Data Input or Output. This shape is used when information is being received from or sent to a user or another system. For example, if you are prompted to enter your name into a system, the step where you provide your name would be represented by a parallelogram in the flow chart.