custom >> /ˈkəstəm/
Definition: [noun] A traditional and widely accepted way of behaving or doing something that is specific to a particular society, place, or time.
Example: the old English custom of dancing around the maypole
Definition: [noun] Regular dealings with a shop or business by customers.
Example: if you keep me waiting, I will take my custom elsewhere
Definition: [adjective] Made or done to order for a particular customer.
Example: a custom guitar