In numerous cases the spirit of trees is personified, usually in female form. In Ancient Greece, the Alseids were nymphs associated with groves (alsos, grove), while the Dryads were forest nymphs who guarded the trees. Sometimes armed with an axe, Dryads would punish anyone harming the trees.
Definition of competitive for English Language Learners. : 1  of or relating to a situation in which people or groups are trying to win a contest or be more successful than others : relating to or involving competition. : 2  having a strong desire to win or be the best at something.
Simply defined, marketing is the process by which you communicate the value of your products and services to consumers. Your primary challenge is to choose which consumers to communicate with and the best strategy for reaching them with your message. Differentiated and undifferentiated strategies each have their place in effective marketing.