The London encyclopaedia, or Universal dictionary of science, art, literature, and practical mechanics, comprisiong a popular view of the present state of knowledge . in which A is the radiating point from
Focal point meaning | Words, Beautiful words, Focal point
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069- Urban Design Word-a-day- Focal Point | Urban Design Collective
Terms Focal point and Periphery are semantically related or have opposite meaning
Definition: Focal point; principle focus; point of interest - Photokonnexion