The phrase "action is described" is correct and usable in written English.
It can be used when discussing how a particular action is portrayed or explained in a text or narrative.
Example: "In the novel, the action is described in vivid detail, allowing readers to visualize the scene."
Alternatives: "the action is depicted" or "the action is portrayed".
When, for example, a course of action is described as "merely utilitarian", this implies that something important has been overlooked.
What matters is not so much the reality of the action, but how the action is described by the characters.
For the contextual layer the ability of circuits in the prefrontal cortex to acquire and express contextual plans for action is described.
On one page affirmative action is described as being "as injust as chattel slavery"; on another as being comparable to the Japanese internment and the Dred Scott decision.
Whether the District Court's action is described as the granting of an untimely motion, or the sua sponte entry of a judgment of acquittal, it contradicted Rule 29(c)'s plain language and effectively annulled the 7 day filing limit.
Doesn't sound like a compliment to me — it's the kind of phrase I might apply to a tumid piece of writing, in which every minute action is described at nauseating length, without the redemption of brilliant insight or sheer gorgeousness of language.
You also need to think about point of view, that is, who's describing the action.
The action was described as "an end to the last lifeline of South and North Korea".
The forced response characteristics resulting from two major excitation sources, roadarm motion and polygonal action, are described.
Mr. Powell's change in posture from apostle of patience to champion of rapid action was described by one administration official observing it from a distance as "astounding".
At the time, the British-planned and executed action was described by George VI as the single most important event in the war at sea.
