The main point of the keyword term is conveyed by the word "affects," which functions as a verb. This word is the pivotal element because it establishes the relationship of causation and impact between the subject (the event) and the object (the systems being influenced).
In a grammatical analysis of the phrase, "boston marathon on patriots day" serves as the subject (a complex noun phrase), while "transportation and some business hours" is the direct object. The verb "affects" acts as the predicate, linking the subject to the object and defining the core action or assertion of the statement. The presence of this transitive verb transforms the topic from a list of entities into a statement about a dynamic process of influence.
Identifying the verb as the main point is crucial for the article's focus. It mandates that the content must be analytical, concentrating on the consequences and mechanisms of the impact. The article's purpose is not simply to describe the event and the affected systems independently, but to explain and detail the process by which one directly alters the others. This directs the narrative to be one of cause and effect, providing a clear analytical framework.
