cover ground—
1. (also: cover the ground) deal with an assignment, etc. (especially efficiently or rapidly):
- If you want to cover ground fast, pool your resources.
2. (of a book, etc.) treat a subject:
- The book could have been greater in scope had the author shown the ambition to cover ground rarely covered in military history.
cover the field —(also: cover the territory) be comprehensive:
- The strength of Lister’s book is that it really covers the field, from methodology to practical examples.