Key Lines of Enquiry (KLOE) are detailed questions that help inspectors inform their inspection judgements. They are used by inspection teams, but they are also published to help audited and inspected bodies with their own assessments.
The last printed version (please note the online version is more up to date) of the IMPRESS NHS Jargon Buster (pdf) is available to download here
Appendix 1
Appendix 2