Group (3)
'group' is the definition.
(both can mean a collection)
This is the entire clue.
(Other definitions for set that I've seen before include "exclusive party" , "Fixed; collection" , "Group; hard" , "Ancient god" , "Customary < scenery < a TV < series" .)
'group' is the definition.
(a group of three)
This is the entire clue.
(Other definitions for trio that I've seen before include "Three together" , "Chamber group" , "Riot (anag)" , "Band of three" , "Ensemble musical piece, eg Beethoven's 'Archduke'" .)
'group' is the definition.
(eg a unit of soldiers)
This is all the clue.
(Other definitions for unit that I've seen before include "Any division of quantity accepted as a standard of measurement" , "Body of soldiers" , "Building block - small military force" , "Group that's part of a larger organisation" , "Single element; one" .)
'group' is the definition.
The answer is an example.
This is the entire clue.
(Other definitions for crew that I've seen before include "This male hair style is closely cropped" , "... rowing for Oxford or Cambridge?" , "Hands" , "Train team" , "Group of operators" .)
'group' is the definition.
(I know that cluster is a type of agglomeration)
This is all the clue.
(Other definitions for cluster that I've seen before include "group together" , "A bunch for cutlers" , "Come together" , "Group or bunch" , "Assemblage" .)
(Other definitions for assort that I've seen before include "Categorise" , "Categorize" , "Class" , "(Of genes) become distributed among cells" , "Distribute in classes" .)