"Clear guidelines" means having specific and easily understandable instructions or rules that help people know what to do or how to behave in a certain situation. Full definition
Provide clear guidelines for the assessment, including estimated time to complete and any additional resources your learners may need. (elearningindustry.com)
For this, parents must be provided with clear guidelines on their role in homework support and interaction. (marzanocenter.com)
We will provide clear guidelines for you on the successful preparation and conduct of safe and effective selection interviews in schools. (educationbusinessuk.net)