The keyword term "patriots day real footage" functions grammatically as a noun phrase. The core component and main point of the phrase is the noun "footage". The preceding words, "Patriots Day" and "real," serve as modifiers that specify the characteristics of the footage.
In this construction, "footage" is the head noun, defining the type of content (video recordings). The word "real" is an adjective, qualifying the content as authentic and non-fictional, distinguishing it from cinematic reenactments. The term "Patriots Day" acts as a noun adjunct (a noun used as an adjective) to specify the subject matter of the footage, pinpointing the 2013 Boston Marathon bombing event which occurred on the holiday.
Understanding this grammatical structure is crucial for content strategy because it clarifies user intent. The query is not for general information about the event or the film of the same name, but for a specific type of primary source media. Therefore, any article targeting this term must deliver or analyze actual documentary video from the event. The emphasis on the noun "footage" dictates that the content's focus must be on the visual evidence itself, not on abstract discussion.