A group of customers and/or consumers that a business serves.

plural of customer base

(law, historical) A service which is owed from time immemorial.

Provision of service to customers before, during and after a purchase.

A suburban area in the borough of Newham, Greater London, England, named after the custom house at Royal Victoria Dock (OS grid ref TQ4181).

plural of heir by custom

(law) One whose right to inherit as heir is determined by customary modes of descent, such as gavelkind.

(Ireland, historical) A custom that gave tenants of Ulster in Ireland a reasonable expectation of security of tenure as long as they paid their rent, and allowed them to sell the right to occupy their holding to another tenant acceptable to the landlord.

The way something is generally done.

taking care of customers to ensure their satisfaction