Granny by Cat Stevens is a reflective and nostalgic song that centers around the singer's memories and the important life lessons imparted by their grandmother. The lyrics paint a vivid picture of the singer’s cherished moments shared with his granny, who is portrayed as a wise and loving figure. Themes of familial love, wisdom, and the passage of time are prevalent throughout the song. The poignant moments include the singer's recollection of specific advice and stories shared by his grandmother, which continue to guide and influence his life. The emotional depth of the song is heightened by Stevens' heartfelt delivery, making it a touching tribute to an important familial relationship.