TOGAF details https://pubs.opengroup.org/architecture/togaf9-doc/arch/
togaf part 2 exam sample questions https://www.processexam.com/open-group/open-group-og0-092-certification-exam-sample-questions
Architecture Development Method - ADM
Nice ADM summary https://circle.visual-paradigm.com/docs/togaf-adm-guide-through/phase-a-architecture-vision/how-to-develop-architecture-vision/
The simplest way of thinking of the Enterprise Continuum is as a view of the repository of all the architecture assets. see https://pubs.opengroup.org/architecture/togaf91-doc/arch/chap39.html