"Chasing Cars" by Snow Patrol is a tender love song about wanting to be lost in the moment with someone you adore. The lyrics in the song describe a couple who wants to escape from the world and enjoy each other's company. The chorus, "If I lay here, if I just lay here / Would you lie with me and just forget the world?" shows that the two lovers are looking for a moment of peace and tranquility away from any distractions, and just to be together.

The second verse, "I don't quite know / How to say how I feel / Those three words / Are said too much / They're not enough" suggests that the protagonist is struggling to express his love for his partner through words. The three words being referred to are most likely "I love you." The protagonist feels that even though those words are said too much, they are not enough to express the depth of his feelings.

In the third verse, "Let's waste time / Chasing cars around our heads," the lovers want to live in the moment and enjoy their time together, without any concerns or worries.

Overall, "Chasing Cars" is a beautiful love ballad that expresses the desire for a moment of intimacy and solitude with a loved one to get lost together in the moment. It's a song about love and companionship in its purest form.