core

adjective (IMPORTANT)

Definition

› most important or most basic: They are cutting back production of some of their core products. core value, belief, issue, etc. › a value, belief, etc. that is basic and more important than any other: The final status negotiations would focus on the core issues of the peace process.Opinions, beliefs and points of view core business/operations/activities › the most important or largest part of a company's business activities, which it depends on in order to continue trading: The company's core operations include entertainment and aviation.Business and commerce - general words core curriculum/subjects/courses › the most important parts of a course of study, that all students must doClasses, courses and coursework › the main part of the body, without the arms and legs: Pilates is good for strengthening the core muscles.Substances and structures in the bodyThe human torso

(Definition of core adjective (IMPORTANT) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)