Websites are the easy part, because pages are cheap and you can build one per audience. Everything else forces harder choices.
Print has no doors. A capabilities brochure or a trade show handout gets picked up by whoever picks it up. Lead with the thread. Use the back page or an insert for audience-specific detail, and print separate inserts rather than separate brochures.
Social is one room pretending to be several. You can target ads. You cannot target your feed. Everyone who follows you sees everything, so your feed has to be the thread with rotating emphasis rather than four separate campaigns running past each other.
Conference talks and podcasts get clipped. A line meant for one audience travels without its context. Assume every sentence will be quoted alone and make sure none of them read badly that way.
Email is the one place targeting genuinely works. Different segments, different sequences, no crossover unless someone forwards it. This is where audience-specific messaging can go deepest, so put your sharpest per-audience material here.
The rule across all of it: the more public the channel, the more it should sound like the thread. The more private and targeted, the more it can sound like the door.
Where to start
Write your thread first. One sentence that is true for every audience you serve, specific enough that someone could disagree with it.
If you cannot write that sentence, you do not have a multi-audience problem. You have an offer problem, and building more pages will multiply it rather than solve it. The Growth Navigator works through the offer, the buyer, and the narrative with you before you touch a single page. Seven days free with full access.
If you want to know what stage your business is in before you decide where to spend the effort, the Market Ready Scorecard takes about five minutes and costs nothing.