Topic
Part of speech: noun
Definition: Subject; theme; a category or general area of interest.
Example sentence: For centuries, economic thinkers, from Adam Smith to John Maynard Keynes, have tried to identify the elusive formula that makes some countries more prosperous and successful than others. My curiosity about this topic spurred me, as a young professor of economics in the late 1970s, to research new ways of measuring national competitiveness.
Subject
Part of speech: adjective
Definition: of a person, people or place who are ruled by another
Part of speech: verb
Definition: To cause (someone or something) to undergo a particular experience, especially one that is unpleasant or unwanted.
Part of speech: noun
Definition: In a clause: the word or word group (usually a noun phrase) that is dealt with. In active clauses with verbs denoting an action, the subject and the actor are usually the same.The main topic of a paper, work of art, discussion, etc.A particular area of study.A citizen in a monarchy.A person ruled over by another, especially a monarch or state authority.
Example sentence: I am disillusioned enough to know that no man's opinion on any subject is worth a damn unless backed up with enough genuine information to make him really know what he's talking about.