An abstract noun is sometimes referred to as an 'idea noun'. An abstract noun is a word for something that can't be experienced by any of the five physical senses; something that can't be seen, heard, smelled, tasted, or touched.
The noun 'sense' is an abstract noun as a word for the normal ability to think or reason soundly; a word for the meaning that is conveyed in speech or writing; intuitive or acquired perception; a word for a concept.
The noun 'sense' is a concrete noun as a word for the physical senses of sight, hearing, smell, taste, and touch.
The word 'sense' is also a verb: sense, senses, sensing, sensed.
Transport is both countable and uncountable as a noun.
The noun 'steel' is an uncountable (mass) noun, a word for a substance.
Countable
The noun 'animal' is a countable noun. The plural form is animals.
Prawn - prawns is the plural - is a countable noun
Transport is both countable and uncountable as a noun.
The noun 'steel' is an uncountable (mass) noun, a word for a substance.
Shark is a countable noun.
countable
Countable
The noun 'daytime' is an uncountable noun.
The noun 'animal' is a countable noun. The plural form is animals.
Prawn - prawns is the plural - is a countable noun
Countable
Pasta is a countable noun
The word 'violence' is an uncountable noun.
The gerund painting is a countable noun, as in "There are 12 paintings in this room."