Argomento vs. soggetto vs. tema

The Italian words 'argomento', 'soggetto', and 'tema' all relate to the concept of a topic or subject, but they have subtle differences in usage and context.

Argomento

'Argomento' generally refers to a topic of discussion, debate, or argument. It often implies a more specific or focused subject matter.
L'argomento principale della riunione era il bilancio aziendale.
(The main topic of the meeting was the company budget.)
Non voglio discutere questo argomento con te.
(I don't want to discuss this subject with you.)

Soggetto

'Soggetto' is more versatile and can refer to the subject of a sentence, a topic in general, or the subject of an artistic work. It's often used in academic or artistic contexts.
Il soggetto del quadro è un paesaggio marino.
(The subject of the painting is a seascape.)
Il soggetto della tua tesi è molto interessante.
(The subject of your thesis is very interesting.)

Tema

'Tema' often refers to a theme or central idea, especially in literature, art, or music. It can also mean an essay or composition in academic contexts.
Il tema principale del romanzo è l'amore impossibile.
(The main theme of the novel is impossible love.)
Gli studenti devono scrivere un tema sulla loro città natale.
(The students have to write an essay about their hometown.)

Summary

While 'argomento' is often used for specific topics of discussion, 'soggetto' is more versatile and can refer to various types of subjects, and 'tema' typically relates to themes or central ideas, especially in creative or academic contexts. The choice between these words depends on the specific context and the nuance you want to convey.