"Comprehensive information" refers to a complete and detailed understanding or knowledge about a particular topic, including all relevant details and aspects. Full definition
If you don't have a PhD please take a look at the Get Into Teaching website which offers comprehensive information on the various routes into teaching. (researchersinschools.org)
There are numerous websites that cater to gluten - free diet programs and foods and these that offer comprehensive information on celiac illness and its symptoms. (forkoffgluten.com)
Field guides provide comprehensive information about different animal and plant species in a condensed form. (edutopia.org)