What is nouns without articles

Some nouns have no articles (a, an , the ) in front.
It is due to uncountable nouns that is always singular in number, including material nouns. And same form in plural as in singular:-
eg:-Baggage:-Baggage of a soldier can't be seen in HK.
eg:-Furniture:-Furniture items are----rocking.
eg:-Rubbish:-Rubbish be thrown away or not ?
eg:-Bread:-eg:-Bread and milk are necessary to have no articles in front.
eg:-Wood:- Wood means in the wood for a walk in the woodland film.

Most abstract nouns are uncountable .It's something I can't give you rules for; you'll have to use your judgement.
eg:-Happiness:-Happiness as a noun should be contended;etc.
eg:-Courage:-Courage as a noun should be bold, etc.

不是呀，是指名詞前面沒有冠詞 (a, an, the)。

it means名詞沒有文章