Rebrand: The updating or revising of a brand, often as a result of a change in circumstances e.g. a merger.

Relative Market Share: Your own company's market share compared to those of your competitors.

Relaunch: Reintroducing a product into a specific market. A relaunched product has usually been changed in some way. It may, for example, be technically modified, rebranded, distributed through different channels or repositioned.

Repositioning: Publicity activities to give an existing product a new position in customers' minds and to expand or change its potential market.

Rollout: How a company introduces a new product or service to different geographical markets or consumer segments. Similar to Product Launch.