The phrase "a clear benchmark" is correct and usable in written English.
It can be used when referring to a standard or point of reference that is easily understood and can be used for comparison or measurement.
Example: "To evaluate our progress, we need to establish a clear benchmark for success."
Alternatives: "a definitive standard" or "a distinct reference point."
We are currently reviewing the survey to ensure it acts as a clear benchmark of the organisation's attitudes through the transformation programme.
The academy study, requested by governors of the Western states and mandated by Congress during the Clinton administration, established a clear benchmark for appropriate environmental protection.
The disappearance of JFK Jnr was given blanket coverage on US television networks and took up the first few pages of most of the country's newspapers, a clear benchmark of the Kennedy dynasty's iconic importance to the country.
America should dig itself out of this hole quickly by setting a clear benchmark for success and government performance.
"The tough nutrition standards remain in place in maintained schools and set a clear benchmark for the rest.
Because of the markup we have a clear benchmark in the sum of the person names occurrences (s. Table 1).
I don't think there is a clearer benchmark than on the field.
Is there any clear benchmark on when I should shut things down?
Although the need for dialysis is a relatively clear benchmark for diagnosing acute renal failure, use of alternate criteria to define this disorder has become more common, perhaps contributing to higher diagnosis rates.
Implementation of clear role boundaries might go some way towards ensuring that nursing care does not exceed the limits of practitioner competence, thereby managing risk; it would also facilitate the annual performance assessment, by providing clear benchmark statements against which to measure performance and through which future CPD needs can be identified and met.
A primary challenge, however, in optical standards work is the routine lack of consensus in phantom fabrication materials and methods, variable reproducibility of the ad hoc phantom approaches for one-of-a-kind devices, and no clear benchmarking to a "ground truth" tissue standard in the absence of a gold standard for precise optical device inter-comparison [ 9, 10].
