Related Clues:

• "All you need," in a Beatles song
• What Valentine's Day is all about
• Nil score as in tennis.
• Zero score, dear
• Simple, unadorned
• Unadorned, simple
• No score, sweetheart
• Unadorned on flat area
• Unadorned, not elaborate
• No score in tennis, dear
• Nil score in tennis, dear
• Simple or apparent
• No score, dear
• Simple and unadorned
• It's nothing in tennis