How can I save groups of tabs so side views won’t get lost if I switch to another tab? Edit: ctrl+tab saves, but mouse clicking a tab loses How can I open fin

How can I save groups of tabs so side views won’t get lost if I switch to another tab? Edit: ctrl+tab saves, but mouse clicking a tab loses How can I open find results in a split view? How can I open definitions and references in split views without using the mouse to hover and click? Edit: F12 and shift+F12.