The text book is common noun because In the World, there are lots of brand that make text books.
I learn this at school.
Proper noun
proper
Since you were not able to 'bold' the noun you were seeking, the following gives the types of all of the nouns in the sentence:-Samuel is a singular, proper, concrete noun; the name of a person.-answer is a singular, common, abstract noun; a word for a thing.-problem is a singular, common, abstract noun; a word for a thing.-textbook is a singular, common, compound, concrete noun; a word for a thing.
As a name of a road , Park Avenue', it is a proper noun, and both words star with a capital letter. However, when used separately, as 'the park, or 'the avenue', they are common nouns and so not need a capital letter.
common
common and proper
The noun 'anatomy' is a common noun (NOT a proper noun) as a general word for science of the shape and structure of organisms and their parts.A proper noun is the name or title of a specific person, place, or thing; for example, "Gray's Anatomy" (textbook) originally written by Henry Gray or "Grey's Anatomy" American TV series.
It is a proper noun, because it is the name of a specific thing.
common
LCD according to my college textbook for an into to computing class.
it's a common noun. a proper noun would be Spider-Man.
Proper