"You take care of it." means "Murder him and dump the body into a building foundation."
"I don't see any problems." can mean "The ambush will happen at the scheduled time. Vinnie will clean up the bodies."
etc.
You'll also see a lot of politicians using "dog whistle" statements, that are interpreted by listeners to mean something entirely different from the stated words.
Non-mobsters aren’t always as careful. There is a good chance these guys just weren’t properly investigated.
It was implicit that they wanted someone killed but if brought up in court they could say "I was just expressing an opinion, not giving an order"