The phrase "coherent design" is correct and usable in written English.
You could use the phrase to describe a plan or structure that is well organized and logically connected. For example, "The architect's coherent design plans for the building made it structurally sound and aesthetically pleasing."
Looking outward rather than inward for direction, Lexus continues to lack a coherent design vocabulary.
A coherent design gradually emerges as clients like Mr. Shalhoub watch nervously.
One of the big challenges is to think about a coherent design of the colleges.
No one believes that the articulation of a coherent design philosophy is best handled by a sprawling, leaderless organizational system.
The Transit Authority, for all the length of its review and approvals process, lacks a coherent design philosophy.
Synthesis maps integrate knowledge from research cycles and iterative sensemaking to define a coherent design narrative.
This paper explains why nine criteria and indicator schemes for forest management are little used instrumentally to monitor sustainability, at most being used to structure reports or statistics, and why the schemes lack coherent designs, with only 29% of indicators in five schemes suited to practical monitoring.
In Tokyo, donors must consult with the Afghan authorities on how to design a coherent plan for distributing aid, which will soon be as important to achieving political stability in Afghanistan as controlling the warlords in the post-Taliban government.
They will have trouble designing a coherent innovation system that fits their competitive needs over time and may be tempted to ape someone else's system.
But in the absence of coherent, systematic design, you can't distinguish activity from progress".
It is a grand Palladian house – too homely to be called a mansion – that somehow looks as though there was a coherent grand design, but there wasn't.
