Mould (6)
'mould' is the definition.
(I know that mould is a kind of mould)
This is the entire clue.
(Other definitions for shape that I've seen before include "For good physical condition" , "Good physical form" , "Form; mould" , "Heaps (anag.)" , "Square, circle, etc." .)
'mould' is the definition.
(I know that matrix is a type of mould)
This is all the clue.
(Other definitions for matrix that I've seen before include "Frame - template" , "Array of numbers in rows and columns" , "Grid-like array of elements" , "Arrangement of numbers" , "Rectangular array of mathematical data set out in rows and columns" .)