The song "White Christmas" is actually a popular Christmas classic written by Irving Berlin, not Jimmy Barnes. However, I can still explain the general meaning and story behind the song. "White Christmas" is a song that conveys the nostalgia and longing for the traditional Christmas celebrations of the past. The lyrics evoke imagery of a perfect Christmas setting, reminiscent of the singer's childhood memories. The song speaks of dreaming and wishing for a white Christmas, where the snow-covered treetops glisten and children listen for the sound of sleigh bells in the snow. It emphasizes the desire for a picturesque and joyful Christmas experience, with the hope that all Christmases will be filled with merry and bright days. The repeated verse about writing Christmas cards suggests the tradition of sending warm wishes and spreading joy during the holiday season. Overall, the song captures the sentimentality and yearning for the magic and beauty of a nostalgic white Christmas, while also conveying the message of well wishes and happiness for all.