The phrase "ability to articulate a" is correct and usable in written English.
You can use it when discussing someone's skill or capacity to express thoughts or ideas clearly and effectively.
Example: "Her ability to articulate a complex concept in simple terms impressed everyone in the meeting."
Alternatives: "skill in expressing a" or "capacity to convey a".
"There's the ability to articulate a knowledge and there's the ability to enact it.
Similarly important is the ability to articulate a vision and a set of values, which is a far better predictor of voting behavior than positions on "the issues".
Despite this being an extremely well-managed firm, the ability to articulate a vision ranked in the bottom five for almost every group.
"We are only beginning to fully appreciate the magnitude of the loss in terms of our ability to articulate a message throughout the country," said Senator Tom Daschle, the Democratic leader.
I think that it's clear that Governor Bush's philosophy, his ideals and his ability to articulate a vision for the future is the major reason why he should be president of the United States and not Al Gore.
At the same time these candidates' books remind us that the ability to construct a powerful narrative is an essential skill for a politician, for it confers the ability to articulate a coherent vision of the world, to make sense of history and to define the author — before he or she is defined by opponents and the news media.
In each case, the winning formula highlighted a party's ability to articulate an urgency for change without obsessing about its opponent.
Any explanation of such an unprecedented development must include an analysis not only of Muhammad's individual genius but also of his ability to articulate an ideology capable of appealing to multiple constituencies.
But his own success, he said today in an interview, derived from his ability to articulate an economic message that proved effective in a state facing a host of social and financial ills.
If envisioning outcomes and designing your actions around achieving them are fundamental to personal productivity, the ability to articulate an envisioned outcome and share it widely is imperative for collective productivity.
There are people "who are more scholarly, better schmoozers, better fund-raisers, but the ability to articulate for a diverse public the value of understanding this material" is unique, he said.
