Flowchart Functions in Programming and Their Functions and Types

Rancakmedia.com – The following is an explanation of the flowchart function in programming that you might not know. A group of developers were having an internal meeting, and one of them had a diagram projected onto the wall.

A client interested in purchasing the team program is shown the diagram. Investors are sometimes shown charts when they are trying to decide where to put money. Flowchart is the term for this type of chart.

The basic idea is rather straightforward, even if it looks complicated and messy. In fact, ease of use is its main goal. The whole creative process can be summed up in two words: workflow visualization and simplicity.

When building apps or websites, flowcharts are useful throughout all phases of programming and marketing. Developers create it as an initial blueprint for the program's logic flow.

As part of the offering package, the marketing team needs it to clearly outline program parameters.

Understanding Flowcharts

To show how a program operates, developers use diagrams called flowcharts. It can also be used more generally to characterize system operation.

Flow diagram widely used in fields that demand complex visual representations, including such as medicine, chemistry, and engineering.

These images are extremely useful throughout the programming development lifecycle, from the initial idea to testing and troubleshooting.

Because of their complexity, today's computer programs must be visualized in a methodical and organized program to adequately represent how they will function.

A flowchart is a graphical representation of the steps involved in executing a computer program, from input to processing to output.

History of Flowcharts

There is no reliable data on the origins of the data representation diagrammatic method. At least there are some records from the past that we can look at.

At a meeting of the American Society of Mechanical Engineers in 1921, Frank and Lillian Gilberth gave a lecture entitled "Process Charts: The First Step in Finding the One Best Way to Do a Job" (ASME).

At the 1930 Job Simplification Conference in New York, Allan H. Mogensen instructed a group of people on how to make use of flowcharts for the purpose of streamlining processes.

The Gilbert symbol was adopted by ASME in 1947 as part of the “ASME Standard: Chart of Process Operations and Flows.”

In 1949, visual representation of workflows became the norm in the field of algorithm design and computer programming.

Flowcharts have been around since then and have proven to be very important in the world of computer programming.

Benefits and Functions of Flowcharts in Programming

Flowcharts have various applications as visual aids. Its usefulness is not limited to one area, but is universally applicable wherever there is a need for steps that can be repeated in a systematic sequence.

Following are some of the most basic uses for charts:

Improve Understanding of Complex Procedures

Complex programs of course have a steep learning curve. Even more so if you have to explain it to clients who don't really understand the ins and outs of computer programming. At this point, it can be helpful to refer to the diagrams.

Simple, well-organized graphics can make even the most complex subject matter easy to understand. Understanding it is also not as difficult as reading a full written description. Clients are also more open to the reasons you give.

Increase Productivity and Make Debugging

Flowchart is an evaluator. You can use it to check the process of your program. There is still time to improve your program by eliminating unnecessary steps or rerouting data.

The process of fixing bugs is known as "debugging" in the world of computer programming. Finding and fixing errors and performance bottlenecks in programs is what this is all about.

Having a visual representation of the system flow while debugging greatly improves clarity and efficiency. This is what charts do for us when we need to evaluate or fix something:

  1. Tool to identify extra processes and eliminate them.
  2. Facilitate checking of unused data storage and transmission.
  3. Facilitate interaction by providing a visual medium for precise and complete information.
  4. A springboard for exploring uncharted intellectual territory.
  5. Content must be included in the proposal package sent to potential customers and investors.

The widespread use of flowcharts explains why they are so important in the world of computer programming.

Flowchart symbol

A standard set of icons agreed upon by all parties to most effectively depict process flow. In 1960, the American National Standards Institute (ANSI) officially defined a standard set of symbols.

The International Organization for Standardization (ISO) officially accepted the ANSI symbol set ten years later (ISO).

In actual use, each symbol has its own purpose and must be properly placed. A detailed description of how the software works is no longer needed by programmers. Audiences will understand the process just by looking at the flowchart.

Flowcharts enhance collaboration when everyone uses the same symbols. Without a detailed explanation, the audience can immediately understand the significance of each symbol. Just explain what process is going on inside the symbol.

Start/StopMarks the start and end of the stream
ProcessMathematics and data manipulation
Inputs/OutputsUser-generated input and processing output
Decision MakingMake a choice among many potential actions
Arrows / FlowShows the path taken by meaning as it moves from one symbol to another
On-page ConnectorBy connecting the flow lines together on the same sheet
Off-page ConnectorIntegrate processes from multiple worksheets

Types of Flowcharts

If you break it down by their intended purpose, you'll find that there are actually many different categories.


It serves mostly as a theoretical framework for creating new software. This kind of diagram is useful for programmers and designers when they are doing initial work. The end result should be an efficient and effective manufacturing process.

Key elements of the original program design even include Process diagrams. Everyone involved can use this diagram as a guide as they focus on their specific responsibilities.

With a defined process, everyone on the team can work towards the same end result.


Creating a process flow chart is a more specialized use for this diagram style. A Swimlane diagram covers a wide variety of possible tasks, such as the following:

  1. Business Process Management (BPM)
  2. Enterprise Resource Planning (ERP)
  3. Company Sale (sales)
  4. Policies and Licensing
  5. Communication with customers

There have been some positive results from using Swimlane for processing processes.

  1. Flexibility: New staff members can easily fit into a set routine.
  2. Quality: Adherence to the set swimlanes ensures stable and manageable quality standards.
  3. Visibility: Directors and management can see how things are going at every level of operations.
  4. Improvement: Modifying the current state so that it is more productive and efficient is what we mean by “improvement.”


Useful to refer to when specifying protocols, this diagram represents a guideline for operation. The workflow focuses on two main areas:

  1. Managing Change Through Process Integration
  2. HR Perspective on Tasks

To achieve both of these goals simultaneously, a large number of Workflows are developed. The ultimate goal of workflow management is to deliver repeatable, high-quality results from following a uniform set of practices.

Data Flow

A data flow chart is a special type of flowchart that is used to describe the flow of information between different systems. A data cycle, from input to deletion through processing, storage, modification, and deletion, is graphically shown below.

It has proven effective in bridging the gap in understanding between end users and programmers.

EPC Diagrams

As you can see, this diagram has a high level of detail. To be more specific, these diagrams excel at describing event-driven processes, which are comprehensive business processes that involve every area of operations.

Plans to maximize efficiency in all process areas are included. Even more than any other type of diagram, Event-driven Process Chain (EPC) diagrams have their own unique symbols.

Every detail is crafted to meet the requirements of designers who need to condense complex business processes into an easy-to-digest visual format.

SDL Diagrams

Flowcharts are used to describe computer programs, the Specification and Description Language (SDL) is widely used. To describe the system in real time, the symbols used are consistent with the programming language environment.

The three main parts of any given SDL diagram are definitions, blocks, and processes. Solving problems internally and talking to consumers are two areas where SDL shines.

Customers are more likely to buy into the system you are developing if its functionality can be described visually.

Process Map

Process Map is an invaluable tool for anyone planning to conduct an audit. Process Map is able to evaluate down to the smallest variables, be it in the realm of software and electronics or in the performance of an organization.

The steps in developing a Process Map are as follows:

  1. Study each stage of the process individually.
  2. Information collected to assess process objectives, hazards and controls.
  3. Interview all participants in the process and draw a Process Map.
  4. Identify bottlenecks in the process and implement improvements.

By eliminating unnecessary details and focusing on the important things, you can conduct a more precise and thorough audit.

Process Flow

Although this one flowchart is no diagram in the world of computer programming, mastering it opens up a world of possibilities. Typically, engineers and technologists use Process Flow.

The way it works is that we only describe the most important (major) processes and leave out the (minor) processes.

Here are some examples of common uses for Process Flow:

  1. Gasoline Manufacturing.
  2. Structure for distribution of natural gas.
  3. Renewable energy sources, such as wind and solar.
  4. Hydrology and Control.
  5. Creating Electricity.
  6. Hydrological Engineering.

There is also a Process Flow which includes process specifications. Block Diagram and Schematic Flowchart are two common names for this kind of PFD.

Tutorial on Making Flowcharts

If you want to get the most out of your Flowchart, you need to make sure it's created the right way.

There are technical steps you need to take to create a diagram that represents the process correctly. These are the stages, in order of appearance:

Set Goals

The various types of diagrams and how they are used have been described above. You need to know your end goal before you can move on to the design phase. Then, choose the correct chart type and continue.

As you can see, the eight categories mentioned above are not a hard and fast rule. You can create by customizing or combining different chart types.

Create your own to meet your specific goals in terms of visualizing your work. Communication efficiency is just as important. In fact, if you add some embellishments to the diagram, make sure the buyer can catch the message without difficulty.


There are no easy-to-follow flowcharts. First, the underlying process is performed, and then the process is refined by incorporating finer information.

Don't get bogged down in the nitty-gritty at this point, instead, simply sketch out the main processes to serve as a rough outline of the overall process you're trying to see in your head.

Once the blueprint is complete, you can fill in the blanks with more specific processes. Instead of spending time and energy figuring out the specifics up front, you can jump straight to an easy and quick solution.

Filling in Specific Things

The third stage is a continuation of the second stage. Once the basic shape is clear, you can fill it with more specific processes along the center or branching out in both directions. Remember that the schematic is viewed vertically, from top to bottom.

Create the first icon in the upper left corner to represent the first stage. Follow the instructions to the right or down for the next process. The next step is to polish your diagram by adding more information in the core process.

If needed, provide explanatory comments inside or next to the symbol. Don't waste space on your diagram by writing out too many details.

Remember that diagrams are meant to make complex processes easier to understand, so keep your diagrams straightforward.

Result Verification

After completing a flowchart, you should run some tests to ensure that it accurately represents the diagram.

You can test the efficiency of your workflow by running it. See how the program performs compared to the diagram at run.

You can see which parts are not working well from the initial evaluation. Change things at that point and try again. Keep monitoring how the system is performing after the upgrade to see if it is more efficient.

Several iterations of this process may be required. It may take time for the software to determine the optimal sequence of operations during yield tests, especially for more complex applications.

Collective Assessment

The best results cannot be achieved by outcome testing alone. You still need input and analysis from several sources. Get input from your team by talking about diagrams and asking them for ideas.

Check the diagram for ways in which the effectiveness could be increased. Don't get stuck in the habit of following one set procedure, instead, look for ways to improve the current process.

Don't waste this opportunity to think outside the box; innovation is the main outcome you aim for when you map.

Group efforts will always produce superior diagrams than individual efforts.


The last step in the flowchart is completed when the outcome test and group assessment are both successful. You've thoroughly reviewed the functionality and integrated feedback from all sources. As far as planning goes, there should be no more vacancies.

Your chart should then be published. Make your lines and colors distinct and illustrative. Don't give people a reason to have trouble or misunderstand your final design. An effective diagram is one that everyone can learn and absorb.


Below we have summarized some frequently asked questions about flowcharts, as follows:

When Do We Use Flowcharts?

Flowcharts are commonly used both in designing and documenting an algorithm. So that in compiling a program the first step that needs to be done is to make a flowchart, which will later be used as documentation of the program.


The purpose of a flowchart is to symbolically express the processes that occur during program execution, making it a useful flowchart for explaining how a program works.

Program flowcharts can also be used to explain systems to others. So this article, I hope it's useful.

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