Yes, the noun 'manners' is an abstract noun, a Word for a concept.
- The noun 'manners' as the plural form of the noun 'manner' is a countable noun as a Word for the way in which something is done or something happens; an outward way of behaving toward others.
- The noun 'manners' is an uncountable noun as a Word for social deportment; a socially acceptable way of behaving.
