Question:

胸に抱くキミへの言葉
いつか伝えたいな

Does this mean in my heart, i want to embrace your words
One day I want to convey it.

Answer:

>胸に抱くキミへの言葉
いつか伝えたいな

I wish someday I could tell you my words for you which I have in my heart now.