Answer :
Abstract nouns are nouns you cannot see, hear, smell, taste, or touch.
So yes, I believe 'flock' is an abstract noun.
So yes, I believe 'flock' is an abstract noun.
'flock' is a singular, common, concrete noun; a word for a group of sheep, birds, or followers.
The noun 'flock' is also used as a collective noun, for example, a flock of pigeons.
The noun 'flock' is also used as a collective noun, for example, a flock of pigeons.