They may be formal — perhaps with decorative planting, railings and gates, or tree-lined avenues — or informal, with clumps of trees, drifts of wildflowers, or meandering paths.
Gallant fod yn llefydd ffurfiol — gyda phlanhigion addurnol, rheiliau a gatiau, coedlannau o bosibl — neu'n anffurfiol, gyda chlystyrau o goed, dyrnaid o flodau gwyllt, llwybrau troellog.