"Direct dialog" refers to a conversation or discussion where people communicate with each other openly and honestly, without any intermediaries or hindrances. Full definition
But if there's something you actually need done, today is the last day, and direct dialog with the broker is probably best. (money.stackexchange.com)
The default setting offers a form of virtual surround sound called «Direct Dialog Surround,» designed to expand the sound, while maintaining dialog clarity. (digitaltrends.com)
Pressing the «D. Surround» button switches Direct Dialog on and off indicated by a green LED, while holding the button until the light flashes engages the Surround Expansive mode. (digitaltrends.com)