auld lang syne meaning lyricsWhat does the song Auld Lang Syne really mean?

I know what the title translates to in English, but I want to know what the essence of the lyrics really are.
It's supposed to symbolize endings and/or new beginnings. Auld Lang Syne can be taken as &quauld lang syne meaning lyricsot;For old time's sake," or "since times long ago.

For example:

And surely you’ll buy your pint cup !
and surely I’ll buy mine !
And we'll take a cup o’ kindness yet,
for auld lang syneauld lang syne meaning lyrics. (for old time's sake)

We two have paddled in the stream,
from morning sun till dine ;
But seas between us broad have roared
since auld lang syne. (since times long ago)