Communication is in plain language if its wording, structure, and design are so clear that the audience can easily find what they need, understand what they find, and use that information.
- Plain Language Association International (PLAIN): https://plainlanguagenetwork.org/plain-language/what-is-plain-language/



Adapted from: Plain Language guide to write a brief summary. Clinical Trials.gov: https://clinicaltrials.gov/submit-studies/prs-help/plain-language-guide-write-brief-summary
More resources
- International Plain Language Federation. Plain language definitions: https://www.iplfederation.org/plain-language/
- Multi-Regional Clinical Trials-MRCT Center of Brigham and Women’s Hospital and Harvard. Health Literacy in Clinical Research: https://mrctcenter.org/health-literacy/tools/overview/plain-language/