SDPs should set thresholds below which places, allocations and spatial issues are not referenced, as not everywhere needs to be included at the strategic scale.
Dylai Cynlluniau Datblygu Strategol osod trothwyon na chyfeirir at leoedd, dyraniadau a materion gofodol oddi tanynt, gan nad oes angen cynnwys pob man ar y raddfa strategol.