Commerce
Upsell
Plain-language definitionAn offer that encourages a customer to choose a higher-value version of the item under consideration. It works best when the added value is clear and relevant.
Why it matters
Use the term to make a better decision.
In practice, upsell matters when a team needs to connect a technical or creative choice to a visible change in clarity, performance, discovery, or conversion. The useful question is not whether the term sounds sophisticated. It is what decision it helps the team make.