what is the purpose of this rectangular shape in a flowchart? decision start or end process input or output

what is the purpose of this rectangular shape in a flowchart? decision start or end process input or output
Answer
Brief Explanations:
In a flowchart, a rectangular shape represents a process. A decision is represented by a diamond - shaped symbol, start or end by an oval - shaped symbol, and input or output by a parallelogram - shaped symbol.
Answer:
process