|This symbol is used to indicate processing that needs to be done -
setting up a line, doing a calculation, opening files, closing files etc.
This symbol is used to indicate that a paragraph is to be performed and then control will return to the next sequential command. The double lines indicate perform.
This symbol indicates the beginning or end of a module or paragraph.
This symbol indicates input/output - specifically the reading of a record from a file, the writing of a record on a file, or the writing of a line on a printed report.
This symbol indicates a condition - usually the branch to the right means YES and the branch to the left or down indicates.
This symbol is used to branch when the bottom of the page has been reached - it is also used as an entry point to branch to.