Related Clues:

• It's all you need
• Notorious canal
• ___-all (score)
• Gist of a letter
• Richness of flavor, to a sommelier
• Serenader's sentiment
• Score of zero
• Valentine subject
• Main part
• Motherly instinct
• Get a bang out of
• Word on a valentine
• Aphrodite's domain
• Nil, to Novotna
• ''All You Need Is ___'' (Beatles)