I have come across the expression “speak the language of” a lot on news. But I am not sure about its exact meaning. I find one entry in OED which seems to be relevant.
b. The vocabulary or phraseology of a particular sphere, discipline, profession, social group, etc.; jargon.
But I feel “speak the language of” in the examples below seem to be figurative. Could you explain its meaning?
The father of two is currently focused on his new venture called Dark Water, a trio made up of himself, his brother Brandon (formerly of Train) and their longtime collaborator Benji Shanks. “We speak the language of brothers, but also, we speak the language of musicians,” Kristian explained in an EXCLUSIVE interview with HollywoodLife.
How to speak the language of love to get someone into bed, psychologist explains
These are people who speak the language of entrepreneurialism and opportunity, people whose lives as administrators, lawyers, professionals are often made at the interstices of the very bureaucracies that Brexiters resented as opaque, impenetrable, and non-representative.