Table 2-1. Flow Chart Symbology

TM 11-7010-201-40-1/ET821-AA-MMI-010/E154 MTS/T O 31S5-2TSQ73-2-1

Table 2-1. Flow Chart Symbology

Terminal Symbol-represents a terminal point in the flow chart such as

start, stop, halt, delay, or interrupt. Data may enter or leave at this

point.

Connector Symbol - represents a junction in a line of flow. A set of two

is used to represent a continued flow direction when the flow is broken

by chart limitations.

Manual Operation Symbol-represents any off-line function or process

geared to human speed.

Decision Symbol-represents a decision on switching type operation

that determines which of a number of paths is to be followed.

On-Line Storage Symbol-represents an I/O function utilizing mass

information storage that can be accessed on-line.

Display Symbol-represents an I/O function in which the information is

displayed for human use at the time of processing (i.e., indicators,

printouts ,plots, etc.).

Manual Input Symbol-represents an I/O function in which information

is manually entered through on-line keyboards, switch settings, card

readers, push buttons, etc.

Document Symbol-represents an I/O function in which the medium is

a document.

Magnetic Tape Symbol -represents an I/O function in which the

medium is magnetic tape.

Annotation Symbol-represents the addition of descriptive comments or

explanatory notes. A broken line may be drawn to the left or to the

right and connected to the flow line at its most meaningful point.

Process Symbol-represents the processing functions in which the

process of executing a defined operation or group of operations

results in a change in value, form, or location of information.

Flow Line Symbols-represent the direction of information or

operational flow.

Predefined Process Symbol-represents a named process consisting of

one or more operations or program steps specified elsewhere (not this

flow chart).

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