How is a value proposition different from a tagline or slogan?

A value proposition is a functional statement explaining what a company does, who it serves, and why buyers should care; a tagline is a short, memorable phrase designed to capture brand identity without explaining the offer. The value proposition is the substance; the tagline is the form.

Consider the difference in practice. Apple's tagline "Think Different" says nothing about what Apple provides. Apple's value proposition centers on delivering simple, intuitive, user-friendly technology. Nike's "Just Do It" is memorable but describes no actual product benefit. A business typically has one tagline but can operate with multiple value propositions tailored to different segments, products, or audiences. Taglines reinforce brand recognition across marketing channels. Value propositions inform strategy, positioning, and the words that appear on a homepage hero.