Click node

highlight & inspect it — click it again to clear (the S / E start & end markers too)

Click edge

select the edge (rings both ends)

Shift+Click

add a node or edge to the highlight set — Shift+Click it again to drop it. The one you clicked last gets the solid ring and the inspector; the rest are dashed.

Double-click edge

if its other end is off-screen, jump the view there

? badge

a hidden cross-component edge — click to reveal it, double-click to jump to the node at its far end

Click empty

clear the selection (all of it)

+ chip

the corner badge — a single click opens/collapses

Double-click

same as the chip

Ctrl/⌘+Click

same — opens the whole subtree

… +Alt

open just one level instead

A highlighted node stays highlighted after it opens; a plain click never navigates.

Drag

pan — you can start the drag anywhere, even on a node

Scroll

zoom in / out

Esc

clear the selection, then zoom out

Breadcrumb

jump back to a parent state (top bar)

◀ ▶ or [ ]

step back / forward through your recent views (highlight, open, zoom — pan/zoom restore with each step)

◀ ▶

back / forward through your recent views

⋮

more actions: this help, copy view URL, expand all, unexpand all, download offline copy

Drag a panel bar

move the panel — drop it on another card to zip it in, or inside its own card to reorder it

▾ on the first panel

fold the whole card down to that one bar; the count says what it is holding back

⋮ on the first panel

the card's menu: fold it, hide the whole card, or tick any panel on and off

⋮ on any other

that panel's own: detach it, unzip the card here, collapse or hide it — and Panel controls on the bars if you want the buttons back, or Reset the arrangement to start over