Algorithm Name and Purpose of the symbol

  An is used as terminal symbol. It indicates entry (Start) and exit (Stop) points in a .
A parallelogram is depicts input/output in a flowchart.

 A rectangle is used to indicate manipulation and initialization of data in a flowchart.
A rectangle with broken connecting line is used to indicate annotation or comments in a flowchart.
A diamond represents 4 binary Condition either tree

An arrow indicates flow of control or direction of processing in a flowchart.
 Circle is used as an in-page connector.

Pentagon is used as an off-page connector. It is required when a flowchart spans several pages.
It indicates a predefined process defined outside the flowchart.