Character

Character could mean:
Character (persona), a social role
Fictional character, a character who exists in fiction.
Non-fictional character, usage of a real person in a fictional context
Moral character
Sacramental character, a Catholic teaching
Character structure, personal traits

In symbols:
Letter, a symbol used to write a language
Chinese character, a written language symbol
Character (computing), a unit of information roughly corresponding to a grapheme
Character (mathematics)

In accounting and mathematics:
Character (income tax), a type of income for tax purposes in the USA

In entertainment:
Character (1997 movie) a 1997 Dutch movie based on Bordewijk's novel
Character (album), by Dark Tranquillity
Characters (album), by Stevie Wonder
Character Options, a toy company
The Characters, a book by the Greek philosopher  Theophrastus

In biology:
 a trait, a characteristic feature of an organism.