What does MODEL mean?

noun

1. a hypothetical description of a complex entity or process“the computer program was based on a model of the circulatory and respiratory systems”
2. a type of product“his car was an old model”
3. a person who poses for a photographer or painter or sculptor“the president didn't have time to be a model so the artist worked from photos”
4. representation of something (sometimes on a smaller scale)
5. something to be imitated“an exemplar of success”
6. someone worthy of imitation“every child needs a role model”
7. a representative form or pattern“I profited from his example”
8. a woman who wears clothes to display fashions“she was too fat to be a mannequin”