to change your ideas or behaviour as the world changes to move with the times a person or business that sells things to the public a retailer a central or important thing that a company pays attention to a focus knowing a lot knowledgeable the process of changing something according to a particular person's needs, likes, habits, etc. personalisation a person who buys products and services a consumer to get involved with or have contact with to engage with to know more about new developments in a particular subject or activity than your competitors to be ahead of the game