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
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.
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.
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
it's a common noun. a proper noun would be Spider-Man.
LCD according to my college textbook for an into to computing class.
Proper