What does a peer review journal contain?

A peer-reviewed journal contains scholarly articles that have undergone a rigorous evaluation process by experts in the field before publication. These articles typically present original research, reviews, or theoretical discussions and include methodologies, findings, and references. The peer review process ensures the quality, credibility, and academic integrity of the work, making the journal a reliable source of information in the respective discipline. Additionally, these journals usually contain an editorial board, guidelines for authors, and sometimes supplementary materials or data.