ITC 2.1. Flowcharts

A flowchart

is a diagram that depicts a process, system or computer algorithm.

Terminal Box/Terminator

represents the starting or ending point of the system.

Initialization Box

This symbol prepares all variables that will hold some values.

Input/Output Box.

This represents a printout, such as a document or a report.

Process Box.

A box indicates some particular operation.

Flow Lines.

Lines represent the flow of the sequence and direction of a process.

On-Page Connector/Reference.

This symbol would contain a letter inside. It indicates that the flow continues on a matching symbol containing the same letter somewhere else on the same page.

Off-Page Connector/Reference.

This symbol would contain a number inside. It indicates that the flow continues on a matching symbol containing the same number somewhere else on a different page.

Decision Box.

A diamond represents a decision or branching point. Lines coming out from the diamond indicates different possible situations, leading to different sub-processes.