Karolina definitely didn't need him to be formal and stuffy with terminology for her sake. For one, she liked having something of a grasp on what he was saying to her. She wasn't very up on the Starfleet lingo.

"Ooh," she said (again, yes, she knew), as she pushed herself up from his chair, after one last pat on the arm rest, "yes, please. Generally, I don't think engineering would be my thing --"

She was as liberal arts as they came, really.

"-- but that sounds actually interesting."