So in the end I was able to reprogram a remote and talk to my new tuner. Whether or not the tuner itself proves useful is beside the point. I take pride in my little achievement that no one but another engineer can appreciate. But I'm an engineer, and I'm supposed to be able to do things like that.
A title bar of GNOME Calculator. A title bar is a graphical control element and part of the window decoration. provided by some window managers. As a convention it is located at the top of the window as a horizontal bar.
Sidebar is a theme feature introduced with Version 2.2. It's basically a vertical column provided by a theme for displaying information other than the main content of the web page. Themes usually provide at least one sidebar at the left or right of the content.