They use lots of jargon and they write and speak at a level that only (some) other lawyers can understand. (legalmarketingforlawyers.com)
The military is known for using lots of jargon and acronyms that the civilian community often doesn't understand, particularly when it comes to IT, supply chain management and avionics. (louisianajobconnection.com)
There's often a lot of jargon and abbreviations in these «technical» conversations. (inc.com)