ότι

ότι

"Ότι" means "that" or "because" in English.

Here, "ότι" is used to introduce a subordinate clause that provides additional information, in this case, the subject of the belief.

Πιστεύω ότι θα έρθει σύντομα.

I believe that he will come soon.

In this sentence, "ότι" is used to connect the main clause with the direct object, explaining what was understood.

Κατάλαβα ότι έκανες λάθος.

I understood that you made a mistake.

Here "ότι" serves to introduce the content of what was told in the main sentence, functioning as a conjunction to connect clauses.

Σου είπα ότι είμαι κουρασμένος.

I told you that I am tired.