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A plain rectangle for an operation.
Also known as: Action symbol flowchart, Operation rectangle
The flowchart symbol for a processing step, drawn as a plain rectangle.
Marks a processing step on a flowchart.
Contexts: Technical drawing, Software
Is the residual symbol of the notation, used for anything that is not a decision, an input or an end, so a flowchart of plain rectangles is one that has not been analysed.
Contexts: Technical drawing, Software
A plain rectangle with square corners containing a short description of the operation.