Definiciones
1.Pronounit, neuter third-person subject and disjunctive pronoun
2.PronounLike other masculine words, masculine pronouns can be used when the gender of the subject is unknown or when the subject is plural and of mixed gender.
3.PronounTreated as if it were third person for purposes of conjugation and reflexivity.
4.PronounIf le or les precedes lo, la, los, or las in a clause, it is replaced with se (e.g. se lo dije instead of *le lo dije).
5.PronounUsed primarily in Spain.
6.PronounOnly used in certain circumstances and rarely as a subject pronoun.
7.Noun(Freud's concept of) id