This document is intended as an educational compendium of universal concepts related to DevSecOps, including normalized definitions of DevSecOps concepts. Other pertinent information is captured in corresponding topic-specific guidebooks or playbooks. Guidebooks are intended to provide deep knowledge and industry best practices with respect to a specific topic area. Playbooks consist of one-page plays, structured to consist of a best practice introduction, salient points, and finally a checklist or call-to-action.