Start with what your audience needs to know
When you know a business well, almost everything it does can feel worth mentioning. The difficult part of communication is deciding what matters to someone who doesn’t yet share that interest.

The question on the other side
A brief usually arrives with a list of things the business wants to say. There is a product to launch, a capability to explain, a new piece of research to share. All of that may be worth communicating. It still leaves an important question open: why would this particular audience want to know?
For a cybersecurity marketer, the answer changes with the audience. Someone responsible for investigating alerts may want to understand how a tool fits their existing workflow. Someone deciding on the budget may be trying to establish what problem the investment addresses. Both could be reading about the same product, but they are looking for different things.
It helps to give the reader’s question a place in the brief. “What will this change for my team?” provides a more useful starting point for an explanation than a list of features alone.
Choose a useful first thing
The opening of a communication gives people a reason to keep reading. It might identify a familiar problem, answer a question or make the subject of an offer clear. It does not have to explain everything immediately.
On an exhibition stand, that first job might be helping someone recognise that the conversation is relevant to their role. A technical specification can wait until they are closer and interested. In a research report, the useful first thing might be the finding and why it matters, with the method available afterwards.
That sequence preserves detail while giving it somewhere to belong. The reader has a reason to explore it.
Give detail a job
Relevance is not the same as brevity. A sentence explaining which environments a service supports may be exactly what someone needs to decide whether it applies to them. Removing it makes the message shorter but less useful.
The harder editorial choice is often between two accurate facts, both of which the business cares about. One helps the reader understand the subject; the other mainly demonstrates how much the organisation knows. There may be a place for both, but they do not necessarily deserve equal prominence.
I find it useful to ask what each piece of information helps someone establish. Does it explain the problem, locate the product, support a claim or answer a likely concern? That question makes the editing conversation more specific than simply asking for less copy.
A message with a clear centre
Once the main question is settled, the design has something to organise around. The headline introduces it. The supporting copy develops it. The image contributes to it. Details become easier to place because there is a reason for their position and emphasis.
There will still be people who need more context and people ready to go further. A good starting point can accommodate both, provided the next layer is easy to find.
The aim is to make the communication feel worth someone’s attention. That begins with understanding what they came to find out, and giving that question a clear answer.