"primary focal point" is correct and can be used in written English.
It is usually used to refer to a main focus of attention or something that stands out in a particular situation. For example, "The primary focal point of the room was a large antique painting hanging on the wall."
The army was a primary focal point of this democratic impetus.
Within hours of the report's release, Republicans were indeed discussing how they could capitalize on the news; to this point, the economy and taxes have been the primary focal point in the messages of Senate candidates.
I wanted the urban populace and the architecture to in some way serve as a stage set and become something that would drop back for the trees, which would become the primary subject — the primary focal point of the picture.
The U.S., the primary focal point, "is a country of immigrants, and you cannot understand the demographic history of the United States without understanding its history of immigration.
The Jerusalem branch of the Unify movement will help focus the world at 1 11 pm in Israel, which is serving as a primary focal point in parallel with sacred rituals in thousands of communities around the world, from Mexico and Guatemala (the Mayan homelands) to Australia.
In scientific publications utilizing data sets, there often is insufficient room to describe the data and their organization in sufficient detail to emphasize data-related issues that are not a primary focal point of the investigation.
In efforts to rehabilitate regulated rivers for ecological benefits, the flow regime has been one of the primary focal points of management strategies.
The growth cones of the neurites serve as primary focal points of motility.
Primary focal points of these studies have included vaccine development, improved pathogen detection methods, evaluation of the genetic variability of F. tularensis biovars commonly associated with human disease, description of the F. tularensis genome, and determination of virulence factors.
Choose your main focal point.
As such, he was the primary NGO focal point at the UN High Commissioner for Refugees.
