subject matter
noun /ˈsʌbdʒɪkt mætə(r)/, /ˈsʌbdʒekt mætə(r)/
/ˈsʌbdʒɪkt mætər/, /ˈsʌbdʒekt mætər/
[uncountable]- the ideas or information contained in a book, speech, painting, etc.
- The artist was revolutionary in both subject matter and technique.
- She's searching for subject matter for her new book.