Round figure (6)
(Other definitions for disc that I've seen before include "CD perhaps" , "Record, CD" , "Spine cartilage layer" , "Part of flower" , "Compact ---; slipped ---" .)
'round figure' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for zero that I've seen before include "Nothing - Japanese aircraft" , "terribly cold" , "Absolutely nothing" , "Duck" , "hour for action" .)
'round figure?' is the definition.
(a visually round figure)
This is the entire clue.
(Other definitions for nought that I've seen before include "The digit 0" , "duck" , "The figure 0" , "Nil" , "Love" .)
I believe this is a double definition.
'round' is the first definition.
(I know that circle is a type of round)
'figure?' is the second definition.
(circle is a kind of figure)
(Other definitions for circle that I've seen before include "Ring - round" , "Group; move round" , "Curved figure" , "Level in theatre; round" , "Group with shared profession or acquaintances" .)
(Other definitions for par that I've seen before include "Black music" , "average degree" , "Average or even, as for the course" , "Regular score" , "Rating of strokes required for hole (golf)" .)
'round figure' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for orb that I've seen before include "ball with cross" , "Ornamental sphere" , "Sphere - eye" , "Sphere (found in regalia)" , "Jewelled ornament" .)