For your love
The entire song is dedicated to expressing the depth of the singer's love for their significant other.

I'd give you everything and more, and that's for sure.
The singer is willing to give everything they have to their significant other, with no reservations.

I'd bring you diamond rings and things right to your door.
The singer is willing to go out of their way to provide their significant other with luxurious gifts and experiences.

To thrill you with delight, I'll give you diamonds bright.
The singer wants to make their significant other happy and will do so by providing them with expensive and valuable gifts.

There'll be things that will excite, To make you dream of me at night.
The singer is confident that they can make their significant other happy and that they will remain on their mind even when they are not together.

For your love I would do anything I do it for your love
The singer reiterates their willingness to do whatever it takes to keep their significant other happy.

I'd give the moon if it were mine to give. (For your love) I'd give the stars and the sun 'fore I live. (For your love)
The singer is using hyperbole to express their willingness to do anything for their significant other, even if it is not possible.

Ooh Baby, for your love
The singer affectionately calls their significant other 'baby', emphasizing the emotional connection they share.

For your love, for your love, I would give the stars above.
The singer repeats their willingness to give the world to their significant other, highlighting the depth of their love.

For your love, for your love, I would give you all I could.
The singer would give everything at their disposal to keep their significant other happy, once again emphasizing their love.