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What Is Communication: Meaning, Importance and Impact
Foundations of Leadership · Chapter 8: Communication ModuleSection 8.1 · lesson 48 of 9011 min · free with a free account
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In this lesson
Why the test of a message is not whether it was sent clearly, but whether it was understood and acted on.
- Separate communication from mere transmission
- Explain why organisations run on communication
- Name the mechanisms through which it shapes performance
- Treat communication as a discipline, not a gift
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Communication Module
What Is Communication
Communication is so ordinary that it is easy to miss how much of leadership rests on it. Every decision a manager makes has to be conveyed to someone. Every strategy has to be understood by the people who execute it. Every change effort has to be explained, sold, and reinforced through countless conversations. This section treats communication as a discipline rather than as an inherited talent. It defines what communication is, and what separates it from mere transmission. It looks at why it matters more at work than in casual exchange. And it counts the cost, measurable and otherwise, when it fails. The aim is a foundation the rest of the unit can build on.
The Distinction
A Transmitter Is Not a Communicator
Start with a definition that almost works, and see exactly where it breaks. In everyday language, communication is conveying information from one person to another. That is workable for some purposes. It misses the central feature of communication in human affairs. Communication is not the transmission of signals. It is the creation of shared meaning between people. Think about the difference between a radio transmitter and a conversation. A transmitter sends signals whether or not anyone is listening. Whether those signals communicate anything depends entirely on the listener. Specifically, on whether the listener interprets them the way the speaker intended. So communication is an act of meaning-making, not an act of broadcast. The signal leaving the sender is only half of the event. The other half happens in someone else's head.
The Reframe
The Question Managers Ask Is the Wrong One
That reframing changes the question a manager should be asking. The familiar question is, have I said it clearly? It feels like a responsible question. But it addresses only the sender's side of the exchange. The more useful question is, has it been understood, and acted on as I intended? That question addresses the exchange as a whole. The American organisational theorist Chester Barnard made the point in nineteen thirty-eight. Authority, he argued, does not flow from the position of the sender. It flows from the acceptance of the receiver. Which leads to a conclusion that managers resist. An instruction that is unread, misread, or rejected has not been communicated. Not in any operationally meaningful sense. It was merely sent. The shift from sender-centred to exchange-centred thinking is foundational to everything that follows.
The Definition
Two Words That Carry the Whole Load
So we need a definition that carries that shift inside it. The management theorist Keith Davis offers a useful one. Communication is the process of passing information and understanding from one person to another. The phrase to notice is, and understanding. Those two words are doing all the work in that sentence. They mark the difference between transmission and communication. Between speaking, and being heard. Strip them out and you are left with the transmitter again. Keep them in, and every message acquires a test that can actually be failed. That is what makes the definition useful rather than decorative.
The Scale
How Much of Management Is Actually Talking
Now consider why this matters so much more inside an organisation. Organisations exist to coordinate the work of many people toward shared ends. And that coordination is achieved almost entirely through communication. Strategy, however well conceived, is invisible until somebody articulates it. Structure, however well designed, is inert until roles and responsibilities are explained. Culture, however carefully cultivated, decays the moment leaders stop reinforcing it. So communication is not one organisational function among many. It is the connective tissue through which all the others operate. Henry Mintzberg measured this rather than assuming it. His studies of managerial activity in the nineteen seventies produced a striking number. Senior managers spend roughly seventy to ninety per cent of the working day communicating. Meetings, phone calls, corridor exchanges, correspondence, one-on-one conversations. Email and video conferencing have, if anything, pushed that number higher. To be a manager is, for the most part, to communicate.
In Depth
Information Is Not Coordination
There is a misconception buried in most people's picture of workplace communication. The assumption is that communication exists mainly to inform. To move data from the people who have it to the people who need it. The deeper purpose is coordination. And the difference is easy to see in an example. Two engineers exchange a technical specification. Information has been transmitted. Both now hold the same document. Nothing more has happened. Now two engineers agree what they are building. Who is doing which part. And what counts as done. That is coordination, and it is what a working organisation actually requires. This distinction explains a failure that otherwise makes no sense. So much workplace communication is technically clear and still produces no aligned action. Clarity was never the missing ingredient. Alignment was.
For Leaders
Three Jobs That Are Entirely Communicative
The dependence on communication intensifies sharply at the leadership level. A skilled technician can go long stretches with little verbal exchange. A leader cannot. Consider what leadership work actually consists of. The first function is direction-setting. Articulating a future state that others can understand, accept, and act on. The second is interpretation. Making sense of ambiguous events for others, so that raw information becomes actionable insight. The third is influence. Shaping decisions and behaviours among people who are not under your formal authority. None of the three can be carried out without skilled communication. Warren Bennis noticed the same thing across the leaders he studied. What they shared, above all else, was the ability to communicate a compelling and consistent message. Talent, intelligence and technical skill were useful. They were not sufficient.
The Impact
Five Mechanisms, Not One Vague Benefit
The link between communication quality and performance is no longer just intuition. Three decades of empirical work point the same way. Organisations with stronger internal communication outperform peers on engagement and retention. Also on productivity, and on customer satisfaction. But the useful part is the mechanisms, because a mechanism can be worked on. Strategic alignment translates strategy into action across levels. Weak, and people pursue outdated goals. Engagement connects daily work to purpose. Weak, and discretionary effort quietly drops. Operational coordination makes handoffs and dependencies visible. Weak, and you get duplicated work and rework. Change adoption surfaces concerns before they harden. Weak, and you get resistance and cynicism. Customer experience depends on frontline staff holding consistent information. These five never fail in isolation. They cascade. A misaligned strategy produces operational confusion. That produces engagement decline. And that reaches the customer, who has no idea why the service is inconsistent.
The Costs
What Failure Actually Costs
The costs of communication failure are easier to feel than to count. Research has been making them more concrete anyway. Studies of project failure in large organisations point consistently at communication breakdown. Between teams, between levels, between functions. It is the leading cause of overruns and defects. Studies of workplace stress name unclear expectations and inadequate feedback. Those are among the most reliable predictors of burnout and turnover. And studies of mergers, which fail at notoriously high rates, find the same thing. The proximate cause is usually not financial miscalculation. It is the breakdown of communication between two merging cultures. Then there is the cost that resists counting altogether. The erosion of trust. Once trust is damaged, every subsequent communication becomes harder. Listeners discount what they are told. Senders begin to self-censor. The cycle compounds. Organisations often find that rebuilding trust costs far more than the original breakdown did. That asymmetry is the argument for preventive investment over reactive repair.
Case
The Strategy That Never Arrived
A single case makes the whole distinction concrete. A multinational financial-services firm decided to shift its strategy. Away from product-led sales, and toward client-relationship management. The executive team approved the plan unanimously. A polished memo was distributed across the whole organisation. Eighteen months later, an internal review found that frontline behaviour had barely changed. Salespeople were still being measured on product volume. Branch managers were still hiring product specialists. And customer feedback still described a transactional culture. The investigation found three specific gaps. Line managers had not been equipped to translate the strategy into local terms. Incentives had not been realigned. And the feedback channels needed to surface confusion had simply been missing. The strategy had been transmitted. It had never been communicated. Mistaking one for the other cost this firm eighteen months.
Consolidate
A Discipline, Not a Talent
That leaves the assumption this section exists to dismantle. The belief that some people are naturally good communicators, and others are not. And that not much can be done about the difference. The assumption survives because the best communicators make the work look effortless. They are not effortless. They are rehearsed. The fluent speaker has rehearsed. The persuasive writer has revised. The skilled listener has trained themselves to suppress the impulse to interject. Underneath is a set of disciplines that can each be practised. Clarity of thought. Attention to audience. Control of structure. Awareness of register. And disciplined listening. None of those is innate, and all of them improve at any career stage. Which changes what development looks like. It means preparing before important conversations, and seeking feedback after them. Watching how others handle difficult exchanges. Reading widely outside your own field. The disciplines compound over years. A manager who invests systematically becomes the kind of communicator others describe as a natural. Having earned the description by practice, rather than received it by gift.
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