"Core reasons" refers to the main or fundamental causes or factors behind something. It focuses on the most essential or important reasons that explain a situation or decision. Full definition
One core reason for this is that these two partners, both government and investor, have very different roles. (educationbusinessuk.net)
You'll discover core reasons why couples often fall into patterns of misunderstanding and conflict and how awareness of your own vulnerabilities can lead to a more harmonious marriage or relationship. (strengthenyourrelationship.com)
«Each category appeals to a very different consumer, but for very much the same core reasons,» she says. (petbusiness.com)