The self is an individual person as the object of its own reflective consciousness. Since the self is a reference by a subject to the same subject, this reference is necessarily subjective. The sense of having a self—or selfhood—should, however, not be confused with subjectivity itself.

Existentialism (/ˌɛɡzɪˈstɛnʃəlɪzəm/ /ˌɛksəˈstɛntʃəˌlɪzəm/) is a form of philosophical inquiry that explores the problem of human existence and centers on the experience of thinking, feeling, and acting.

A dramatic device in which a character speaks to the audience. By convention, the audience is to realize that the character's speech is unheard by the other characters on stage. It may be addressed to the audience expressly (in character or out) or represent an unspoken thought.

In fiction, a character is a person or other being in a narrative (such as a novel, play, television series, film, or video game).

The character may be entirely fictional or based on a real-life person, in which case the distinction of a "fictional" versus "real" character may be made.