Actions

Open the Esc menu

Activation interaction

Open the character menu

Drop the currenly held item

Swap the currently active hand

Use currently held item

Interaction

Toggle the inventory for equipping clothing

Open the sandbox-menu

Open the Construction menu for crafting items and building structures

Open the actions-browser

Open admin tools

Throw the currently item

Examine

Start draging an item. Press Ctrl + left click again or H to stop dragging.

Alternative intercation (eject an item, halve a stack, lock a locker, etc.)

Point at an entity