The phrase "are focal points of" is correct and usable in written English.
It can be used to indicate that something serves as a central or important element in a particular context or discussion.
Example: "The main issues in the debate are focal points of public interest and concern."
Alternatives: "are central to" or "are key elements of".
Community centres are focal points of educational and recreation programs in the neighbourhoods.
Then again, these mountain lakes generally are – focal points of finesse and tranquillity in a little-tamed landscape.
Many tumors exhibit accelerated glycolytic rates, and enzymes that participate in this pathway are focal points of cancer research.
The gap between rich and poor in Britain has rarely been so stark, and these churches are focal points of a world that is often hidden from cynical secular journalists.
Our data indicate that small isolated wetlands are focal points of herpetofaunal richness and abundance in managed coastal plain forests and contribute more to regional biodiversity than is implied by their small size or ephemeral hydrology.
In this study, the small towns of the region are focal points of investigation and provide a lens to investigate the changing demographic and economic dynamics of the Karoo.
But guns and the aftermath of Hurricane Sandy were focal points of his address.
The cities were focal points of largescale demonstrations for democracy that were crushed by military gunfire in September 1988.
Debates have been focal points of the Republican campaign to a greater degree than they were in 2007 and 2008.
Decadence, Labour of Love, and Spin Saturdays were focal points of Canadian dance at the time and were vital to the venue's prosperity.
Japan and South Korea are also focal points of Indian "Look East" diplomacy.
