The phrase "action describes a" is correct and usable in written English.
It can be used when explaining or defining what an action represents or signifies in a particular context.
Example: "In this scene, the action describes a pivotal moment in the character's development."
Alternatives: "the action illustrates a" or "the action represents a".
Mr. Butler's report, which coincided with a mood of growing frustration among senior Administration officials over the failure of diplomacy and led to increased speculation tonight about the possibility of military action, described a pattern of stonewalling, equivocation and counterdemands from Iraqi officials during his visit to Baghdad from Monday to Wednesday.
In epidemiological models, mass action describes how a disease spreads within a population from infected to susceptible individuals.
Later in the day, Amy Ripepi, an Andersen partner who leads a unit that advises on financial reporting and tracks regulatory actions, described an internal debate at Andersen last year over whether Enron was using proper accounting in some of its financial statements.
Cause of Action describes itself as a "nonprofit, nonpartisan organization that uses investigative, legal, and communications tools to educate the public on how government accountability and transparency protects taxpayer interests and economic opportunity".
Mechanism of action describes the process by which a molecule, such as a drug, functions to produce a pharmacological effect.
In physics, a concept called the "path of least action" describes the trajectory that an object is most likely to follow, similar to the familiar concept of the "path of least resistance".
(1) Programme in action describes the core activities of a programme, i.e. collecting information, combining and valuing the information, and taking subsequent action.
Possible actions π include: (1) a delay action delay@r describes a change in the internal structure of a molecule with a delay whose rate is r.
One way to immediately hook the reader is to drop him or her straight into the action: Describe a character, real or fictional.
That course of action, described as a power play by many, may have backfired as Obama's approval rating leapt after Netanyahu's speech.
