Every time a brand puts out an advertisement, a billboard, or even a single product tagline, it is doing something deceptively complex. It is trying to take an idea sitting inside the marketer’s head and plant the same idea inside yours. That transfer of meaning, from one mind to another, is what the communication process is all about. Get it right, and a single line like “Daag Acche Hain” can change how millions of people think about laundry stains. Get it wrong, and even a big advertising budget delivers nothing but confusion. Understanding how this process actually works is the foundation of all good marketing.
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What the communication process really means
At its simplest, communication in marketing is the act of influencing someone’s behaviour by sharing ideas, information, or feelings. The marketer wants the audience to think, feel, or do something different after receiving a message. But influence is only the means. The real goal is shared understanding, a state where the meaning the sender intended matches the meaning the receiver perceives.
This sounds obvious, yet it is the part marketers most often get wrong. A message is not communication. A message that is correctly understood is communication. The macro-model of communication describes this as the movement of an idea from a sender, through encoding and a chosen medium, to a receiver who decodes and responds to it. Every element in that chain is a place where meaning can either survive or break down.
The two parties: sender and receiver
Two parties anchor the entire process. The sender, also called the source, is the one who initiates the message. In marketing this is usually the company or brand, though it can also be a specific person standing in for the brand, such as a celebrity endorser. When a brand signs on a famous face, that personality effectively becomes the sender of the brand’s message.
The receiver, or destination, is the person or group the message is aimed at. In marketing the receiver is generally the customer, but it can also be a household, a group, or an entire organisation. According to the principles of marketing, of all the elements in the process, only the sender, the encoding, the message, and the media are within the marketer’s control. The receiver, how they decode, and the noise around them all sit outside that control. Recognising this limit is what separates careful marketers from careless ones.
The message: a bundle of symbols
The message is the actual content the sender wants to convey. It is built from symbols, words, pictures, sounds, colours, gestures, that together are meant to induce some change in the receiver’s behaviour. A message is never the raw idea itself. It is always a coded representation of that idea.
Consider Amul’s “The Taste of India.” In just four words and a familiar visual identity, the brand packs in a claim about heritage, trust, and belonging. The symbols are doing heavy lifting. The skill of marketing lies in choosing symbols that carry the intended meaning cleanly, without dragging in meanings the brand never wanted.
Encoding and decoding
Two stages turn an idea into a message and back into an idea again. Encoding is the process where the sender translates a thought into a set of symbols, the words, images, and design choices that make up the message. A brand manager deciding how to present a new product is encoding. Decoding is the reverse: the receiver interprets those symbols and assigns meaning to them.
The catch is that decoding is never guaranteed to match encoding. The receiver brings their own background, knowledge, and culture to the interpretation. A message that lands perfectly with a metro audience might fall flat in a smaller town, simply because the symbols mean different things to different people.
Why fields of experience matter
This is where the communication theorist Wilbur Schramm made his most useful contribution. Schramm introduced the idea of the field of experience, the sum of a person’s life experiences, knowledge, attitudes, and cultural background. According to Schramm’s model of communication, successful communication requires the message to sit within the overlap of the sender’s and the receiver’s fields of experience. If the message falls outside the receiver’s field, they cannot connect it back to the original idea, and meaning is lost.
This overlap is why a clever pun in one language confuses an audience that does not speak it, and why a campaign rich in references to one region’s festivals may not travel well to another. The more two people share in background and understanding, the easier and more accurate the communication becomes. For marketers reaching a country as linguistically and culturally varied as India, this single insight explains the rise of vernacular advertising, where brands deliberately encode messages in local dialects to expand the area of shared experience.
The medium, feedback, and noise
Three more elements complete the working machinery of communication, and each shapes whether the message arrives intact.
The medium
The medium, or channel, is the path through which the encoded message travels to the receiver. Channels split broadly into two kinds. Personal channels are interpersonal, such as a salesperson speaking directly to a customer, a phone call, or a one-to-one email. They are powerful because they allow immediate feedback and carry high influence, which is why they suit expensive or risky products. Mass channels reach many people at once through television, radio, newspapers, billboards, packaging, and digital platforms. They trade the intimacy of personal contact for scale.
The choice of medium is not neutral. The same message on a billboard, a thirty-second TV spot, and an Instagram reel must be encoded differently for each, because each medium has its own constraints and conventions.
Feedback
The response is the set of reactions the receiver has after being exposed to the message, ranging from simple awareness all the way to an actual purchase. Feedback is the part of that response that travels back to the sender. Feedback is what turns communication from a one-way broadcast into a loop. It lets the marketer judge whether the message was understood correctly and whether it produced the intended effect. Rising sales, social media comments, and customer queries are all forms of feedback. In mass communication, this loop is harder to close because feedback is slow and indirect, one reason mass campaigns are riskier than personal selling.
Noise
Finally, there is noise, anything that interferes with the process and distorts the message. Noise can be physical, like a poor signal, but in marketing it is more often the clutter of competing messages all shouting for attention at the same time. A brilliant advertisement loses its power when it is squeezed between dozens of others. Noise can also arise inside the message itself, such as a slogan that is misread, a pun that does not translate, or an image that triggers the wrong association. Because noise can strike at any point, from encoding to decoding, marketers cannot eliminate it. They can only design messages clear and distinctive enough to cut through it.
The steps in building effective communication
Knowing the elements is one thing. Putting them to work in a deliberate sequence is another. Marketing scholars such as Philip Kotler lay out a clear set of steps for developing communication that actually works, and the logic flows directly from the model above.
Identify the target audience. Everything begins here. The marketer must define who the message is for, potential buyers or the wider public, and understand their characteristics, since the audience shapes every later decision about what to say, how, when, and where. According to a summary of Kotler’s framework, defining the audience must come before anything else.
Determine the desired response. The marketer then decides what reaction they want. Responses sit on a ladder, from creating awareness and knowledge, to building liking and preference, to finally driving purchase. Knowing exactly where the audience is now and where you want to move them keeps the message focused.
Design the message. Here the marketer decides on content (what to say) and format (how to say it). A useful guide is the AIDA principle, which holds that an effective message should gain Attention, hold Interest, arouse Desire, and prompt Action. The appeal itself can be rational (showing quality, value, or performance), emotional (stirring feelings that motivate a purchase), or moral (pointing to what is right and proper).
Choose the source carefully. Who delivers the message affects how it is received. A trusted, credible, or likeable source improves how the audience views the communication, which is why brands invest so heavily in choosing the right spokesperson. Indian campaigns built around relatable everyday moments, like CEAT’s road-safety messaging tied to the daily commute, work because the source and the theme both sit comfortably inside the audience’s field of experience.
Each step exists to protect the message from breaking down somewhere in the chain. Identifying the audience reduces the risk of encoding into the wrong symbols. Designing for attention fights noise. Choosing the right source and medium widens the overlap of shared experience. The model and the steps are simply two views of the same goal: getting an idea to cross from one mind to another with its meaning intact.
What do you think? Think of an advertisement that genuinely stuck in your memory. Was it the message, the source, or the medium that made it land, and which element of the communication process was doing the most work? And when an ad confuses you instead, is the breakdown happening at encoding, at decoding, or in the noise around it?
References
- https://www.open.edu/openlearn/money-business/marketing/marketing-communications-the-digital-age/content-section-2.1
- https://openstax.org/books/principles-marketing/pages/13-2-the-communication-process
- https://en.wikipedia.org/wiki/Schramm%27s_model_of_communication
- https://www.mentorist.app/books/principles-of-marketing/
- https://www.marketingstudyguide.com/communications-process-encoding-decoding/
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