The phrase "core mission" refers to the main purpose or goal of a person, organization, or group. It represents what they prioritize and focus on the most. Full definition
In addition to a revenue stream, in - store events — with food and music — will also serve to enhance the store's core mission of fostering a community. (inc.com)
Education is one of our three core mission statements — we want to empower our customers to make the choices that fit them, their family and their lifestyle. (800loanmart.com)
'' [The agreement] will allow NASA to focus its resources on core missions, while protecting the federal need to use Moffett Field as a continued, limited - use airfield,» said NASA Administrator Charles Bolden in a statement. (businessinsider.com)