The phrase "a valid description of" is correct and usable in written English.
You can use it when discussing whether a particular phrase, term, or statement accurately represents or characterizes something.
Example: "The term 'sustainable development' is a valid description of practices that meet present needs without compromising future generations."
Alternatives: "an accurate portrayal of" or "a correct representation of".
User feedback is almost never a valid description of the problem".
That, after all, is a valid description of how the system actually works.
Comparison with experimental results indicates that the simulation model provides a valid description of the metal plasma flow.
For Da⪢1, a macroscopic convection-dispersion-reaction equation offers a valid description of transport, even for spatially heterogeneous distributions of rate constants.
Given any situation, you can argue about whether 'poverty' is a valid description of it, but there are always going to be borderline cases where there isn't a solid yes or no answer.
In the case of MMS, it had circumvented the possibility of regulatory inspection by marketing itself as a "water purifier" – a valid description of the its chemical nature, but not its intended application, leading the Irish Health Productions Regulatory Authority to describe the methods of MMS promoters as "underground and unorthodox".
We show that the finite volume numerical solution of the multiring model provides at a reasonable computational cost an asymptotically valid description of blood flow velocity profiles and other averaged quantities (wall shear stress, flow rate,...) in large elastic and quasi-rigid arteries.
Marcello Squarcialupi in his book 'On the celestial fire of 10 September 1580' (De coeli ardore…) was the first to publish a scientifically valid description of aurora borealis, even by modern standards.
No model on any level is yet considered to be a fully valid description of brain function, though.
A self-report questionnaire was used because it has been shown that parents tend to underreport their children's depression and children may provide a more valid description of their emotional states than parent reports [ 42– 42].
The supposed Miocene pelican Liptornis from Patagonia is a nomen dubium (of doubtful validity), being based on fragments providing insufficient evidence to support a valid description.
