The word grapes is a count noun; the word grapes is the plural form for the singular noun grape.
The noun 'grape' is a countable noun; one grape, two grapes, a whole bunch of grapes.
Countable
Transport is both countable and uncountable as a noun.
countable
uncountable
Uncountable
The gerund painting is a countable noun, as in "There are 12 paintings in this room."
Transport is both countable and uncountable as a noun.
countable
Uncountable
uncountable
"Bun" can be both countable and uncountable. For example, you can say "I bought five buns" or "I would like some bun with my soup."
"Paragraph" is a countable noun because it refers to a distinct unit of text in writing. You can have one paragraph, two paragraphs, three paragraphs, etc.
uncountable
The gerund painting is a countable noun, as in "There are 12 paintings in this room."
Countable
countable
few is countable
The noun 'steel' is an uncountable (mass) noun, a word for a substance.