It may be use as a standalone sentence or as part of a sentence to express love or affection for someone or something.
For example:
- Σ' αγαπώ (I love you)
- Τον αγαπώ (I love him)
- Την αγαπώ (I love her)
- Αγαπώ τα σκυλιά (I love dogs)
- Αγαπώ τη μουσική (I love music)