the video doesn't load for me and everything else is just entirely contextless because this jargon could mean nine different things, for every piece of jargon
oh my god they've gone metasquared. they're a tabbed browser for electron applications that is meant for desktop OSes to run as a single electron application.
each of these applications
has a desktop application they have REINVENTED THE TASKBAR, IN A BROWSER WITH A TASK BAR, IN AN OS WITH A TASK BAR
and it exists because all the window manager people can't cooperate >_>
and even then like. someone is getting paid VC money to do something that the chrome team could do in like, 15000 dollars of dev salary (persistent windows with persistent profiles, stacking windows) because it already exists in addons and google doesn't have scruples and probably owns the copyright for all the addons that already do it.