westlife的《Home》这首歌背景是什么，这首歌的深层含义是什么？

当年Westlife从澳大利亚到南非的跨度演出后 ，回到了他们的家乡爱尔兰，这无不让乐队感到莫大的激动，专辑名Back Home便成为了乐队的感动之词。
翻唱了Michael Buble代表作Home为主打，抒发一种强烈的思乡之情，MV也选机场作为背景，表达他们旅途归来的兴奋。

Home

another summer day
is come and gone away
in paris and rome
but i wanna go home

maybe surrounded by
a million people i
still feel all alone
i just wanna go home
oh i miss you, you know
and i've been keeping all the letters that i wrote to you
each one a line or two
i'm fine baby, how are you
well i would send them but i know that it's just not enough
my words were cold and flat
and you deserve more than that
another aerorplane
another sunny place
i'm lucky i know
but i wanna go home
i've got to go home
let me go home
i'm just too far from where you are
i wanna come home
and i feel just like i'm living someone else's life
it's lik