core
noun [ C, usually singular ]
uk/kɔːr/ usthe most important or most basic part of something:
the core of sth The core of the bank's business is in Hong Kong.
be at the core of sth The internet is increasingly at the core of the telecoms business.
core
adjective [ usually before noun ]
uk/kɔːr/ usmost important:
core activities/operations
core products/services They are cutting back production of some of their core products.
core customers/workers
core values For a company to achieve a competitive advantage it is important to have core values and a clearly defined purpose.
a core market/business