It became the site of routes where Elves migrated from their eastern kingdoms to Lindon (Middle-earth) to leave Middle-earth.
The name that the Sindar gave to themselves ('the Forsaken') as distinguished from the Elves who left Middle-earth.
The Sindar had never left Middle-earth.
But ill-fated was mine, and vain is thine; for my body is marred beyond healing, and I must leave Middle-earth.
She returns to Rivendell, and for her love of Aragorn refuses thereafter to leave Middle-earth.
Many of the Teleri did not leave Middle-earth; the Sindar and the Nandor were Telerin Elves in origin.
This scene also resonates with a new subplot regarding Arwen, where she decides to leave Middle-earth after losing hope in the long-term possibilities of her love.
Also created were 100 Elven suits of armour, with emphasis on Autumnal colours due to the theme of Elves leaving Middle-earth.
The Trees illuminated Aman, leaving Middle-earth in darkness.
In this they were now preparing to depart, and to leave Middle-earth.