Expanse (7)
'expanse' is the definition.
(synonyms)
This is all the clue.
(Other definitions for area that I've seen before include "Space for a specific purpose, say picnic" , "land" , "Length multiplied by breadth" , "Part of a building, city etc" , "Speaking formally to (someone)" .)
'expanse' is the definition.
(I know that stretch is a type of expanse)
This is the entire clue.
(Other definitions for stretch that I've seen before include "Do warm-up exercises" , "Bit of exercise" , "Continuous expanse/period" , "Make (something) longer" , "Make demands on; continuous expanse" .)
'expanse' is the definition.
(I know that space is a type of expanse)
This is the entire clue.
(Other definitions for space that I've seen before include "Blank" , "Room for capes" , "Gap between words" , "Unfilled region" , "A particular area for paces" .)