Spanish third person
The grammatical category of person relates to the personal pronouns that are used to replace people, animals or things. Person can also describe the relationship between a subject and its verb.
La tercera persona refers to the person or group of people mentioned by the speaker, but who are neither the speaker nor a directly addressed person.
Ella es generosa
She is generous.
Ella is neither the speaker nor directly addressed by the speaker, but is mentioned by the speaker.
Ellos tienen tiempo.
They have time.
Ellos refers to a group mentioned by the speaker.
It is important to notice that in Spanish la tercera persona has feminine, masculine, singular and plural forms:
ella, él, ellos, ellas.