• straight line on a horizontal plane

क्षैतिज:    level horizontal

क्षैतिज समतल:    horizontal plane

समतल:    level slope complanate flat bed tabular square

पर:    Pinna wings wing plume dashboard feathers feather

सरल:    normal simplex streamlining down-to-earth

सरल रेखा:    straight line सरल normal simplex

रेखा:    alignment lineament stria stroke rule curve trait