Just as people speak Arabic, English, and Spanish, departments inside a company speak different languages too. Not dialects. Whole languages, each with its own vocabulary, its own logic, and its own sense of what counts as right and wrong.
After 19 years in technology, here is what I have learned: most of the "chaos" companies complain about doesn't happen inside any one department. The department itself is usually organized and working fine. (There are cases where a department is genuinely in disarray, and those have their own causes, worth a separate piece.) The chaos happens at the borders, in the moment two departments need to understand each other and each one speaks its own language while expecting the other to follow.
And a leader's first job isn't to rule on which language is the right one. It is to translate. Let me walk through the languages I've worked with, the logic behind each, and where the friction comes from.
For years I watched disagreements unfold in front of me, simply because everyone was arguing from the angle they could see, in the language they personally understood. One person loves detail, another wants it short. One speaks in numbers, another speaks in feeling. The moment I stepped in to bring the views closer and ask each person the question they were actually waiting for, the disagreement disappeared on the spot.
Engineering (my mother tongue)
This is the language I know best. It leans toward brevity. It is engineering-minded, no detours. One plus one equals two. If the inputs are clear and correct, the outputs will be clear and correct.
Its logic is sound: brevity isn't arrogance, it's efficiency. The engineer is tired of meetings that go in circles, so they want the bottom line. But that same efficiency has another face. Sometimes they don't want to go back and forth. You tell them the site should have a green background, a red button, and a yellow image, and even when they're convinced it's wrong, they won't argue. They just build it. The result is that they feel the other departments "don't get it," and the other departments feel exactly the same about them. The thing that breaks an engineer most is doing work that, in the end, never gets used. They lose trust in the management that asked for it, immediately.
How to translate: an engineer doesn't need you to explain your intention, they need you to explain the reason. Give them a clear "why" and they'll give you the best "how." Keep it short and tell them the goal you're trying to reach.
Product
The language of delivery and iteration. Their constant question: when does it ship? What's the scope? What can we push to the next release? They think of a product as something that grows in increments, not something that arrives complete in one go.
Their logic is that perfect is the enemy of shipped. But the friction shows up when other departments hear "next release" and read it as "never going to happen," while product means "it will happen, in order." One team I worked with coined a phrase: "I'll deliver it to you in Q5," code for "this is never getting delivered, so don't ask."
Cybersecurity
The person here has a checklist, and they need to confirm it is complete and compliant with their requirements. What matters most to them: prove to me whether what I need is there or not. They see risk everywhere, and that's not a flaw, it's the job. Their job is to reduce risk.
The difference between the two types here is clear: the good ones look for a solution that meets the requirement, while the other type just wants to shut the door so the risk never arrives in the first place. The recurring problem is that security only gets called two days before launch, presented with a done deal, and that's where the clashes come from. They're not an obstacle. They arrived late.
How to translate: make sure you're with them step by step from day one. Make them part of the plan, not just a form you fill in at the end. That's when they turn from "the one who says no" into "the one who protects you while you move."
Technical Operations
The forgotten department. No one remembers them except on launch day. They carry the weight, everything lands on them, they don't know the word no, and they're ready to work around the clock. Their work is routine and steady, and that is exactly why they become invisible: when everything runs smoothly, no one notices them. And when things break, they become the reason for every problem.
Their logic: stability isn't an event, it's daily work. The friction comes when other departments treat their capacity as limitless. Everyone needs to understand that they have a ceiling, and that overloading them today means an outage tomorrow.
Quality Assurance
The language of "what could break?" While everyone is excited to ship, QA is thinking about the edge cases. Other departments may see them as pessimists who slow the work down, but the reality is the opposite: they are the ones protecting your reputation before it reaches the customer.
The friction: everyone reads their caution as "blocking," and they read it as "responsibility." The translation is to bring them in early, not after everything is finished.
Finance
The language of numbers. Every request gets translated into return, cost, and risk. Everything in the company is a number in motion. It's not that they're against the idea, they want to see it in a language they understand: what does it cost, what does it return, and when will I see the return on investment.
The friction comes when you arrive with enthusiasm and no number. The translation is simple: turn your idea into a financial impact before you walk in, and you'll find they're the fastest people to understand you.
Procurement
The language of contracts, vendors, cost, and process. They want comparisons, alternatives, and clear terms. If there's no comparison table, the answer is usually no. Sometimes they seem to be slowing things down, but their job is to protect you from a quick decision that traps you in a three-year contract.
The translation: give them time and clear requirements early, and they'll get you what you want.
Operations
The language of procedures and outcomes. Their thinking is always: how do I keep the work moving? How do I make it faster? Who makes mistakes and who doesn't? How do I cut steps without hurting the work? They are the hardest department when it comes to change, not because they resist it, but because the work is often in their hands and, from sheer repetition, it has stopped being something they think about. The second reason is their sheer numbers, so changing one procedure takes serious effort.
The friction: other departments may see procedures and systems as restrictions, while operations sees them as safety and protection. Both are right, in truth. The translation is to design the procedure with them, not impose it on them, and they need to see the value in the new thing you want to do. More often than not, a new procedure gets read as "this will end with us being replaced," when the reality is that the person who develops and keeps up with what's needed is very hard to replace.
Human Resources
The language of people, fairness, and policy. They look at every decision through its effect on employees and on treating everyone consistently. Sometimes a policy seems rigid, but it exists to protect everyone from the exceptions that, over time, turn into unfairness.
The translation: when you explain the reason behind a decision and its effect on the team, they turn from rule-keepers into partners in building the team. You may not get exactly what you wanted directly, but in the end you'll get something you're happy with.
Project Management
The language of time, dependencies, and scope. They think about one thing: what depends on what, and when. They hate surprises, because a surprise at a single point shakes the whole plan.
The friction: others see their plans as "bureaucratic" or "wishful thinking," while they see themselves as "the ones holding everything together." The translation: give them early notice of any change, because it's the late change that breaks projects, not the change itself. They like to be across everything and in the driver's seat when it comes to delivering a project on time.
Marketing
The language of customers, story, and growth. They think: how will people out there understand this? What's the story? They care about perception as much as you care about function.
The friction, especially with engineering: the engineer says "these are details the customer doesn't care about," and marketing says "these are exactly what the customer cares about." The translation is to connect the technical feature to a value the customer can feel.
Legal
The language of precise detail and liability. Every word carries weight, and every "more or less" worries them. They seem slow or complicated, but they read the risks no one else reads.
The translation: come to them early and clearly, and treat them as a safety net, not an obstacle. Whoever brings legal in late pays for it at the last minute. They like clarity, and they like you to explain your goals and your strategy.
Sales
The language of the customer and the deal. Fast, under the pressure of a number, and they want things to happen now. Sometimes they promise the customer something before engineering has confirmed it, and that's the classic clash between "we promised" and "we can't."
The translation: bring sales and engineering close together early so the promises come from the same reality. The salesperson isn't your enemy, they're the voice that brings the market inside the company. Their contracts are what pay the salaries of everyone in it.
The bottom line
If you noticed, none of these languages is wrong. Each one exists for a good reason: security sees risk because it owns the risk, finance sees numbers because it owns the numbers, engineering wants brevity because it values efficiency. The problem isn't the languages. The problem is that we expect everyone to speak ours.
That's why I say the hardest translation in a company isn't between Arabic and English. It's between one department and another. And the chaos the business owner pays for piles up at the borders between departments, not inside them.
A leader's job, more than anything, is to be the translator. Not to impose their own language, but to understand the logic of each one and carry it to the next. That is what turns chaos into order.
A practical step you can start tomorrow: on any decision that touches two or more departments, name one person responsible for "translating" between them from the start of the project, not in the final two days. Usually the product manager or the project manager is the closest natural translator. This small step removes most clashes before they happen.
And in your company, which department understands you the most wrong?
I've spent 19 years translating between these languages, turning friction between teams into work that actually moves. If this sounds like your company, you can submit a request and tell me what you're dealing with. No commitment, just an honest conversation.