The phrase "primary significance" means that something is the most important or main aspect, idea, or meaning of a particular object, event, or situation. Full definition
I would argue that for us so to treat the sacrament of initiation into our faith, the universally recognized mark of a Christian, the act which has indisputable biblical warrant, is conclusive evidence for the fact of baptism's continual, primal, primary significance for the Christian faith. (religion-online.org)
«The words «developers» and «diversified» no longer have primary significance in our company strategy. (nreionline.com)
Indeed the role of Woman has a primary significance. (faith.org.uk)