Topics covered include social and political background and socio-economic factors in voting.

These included background, goals and knowledge of other characters.

Characteristics shared by members of a group may include interests, values, representations, ethnic or social background, and kinship ties.

That includes class size, experience level of teachers and racial background of students.

These can include: race, her gender, ethnicity, educational background, socioeconomic status, sexual orientation, financial resources, culture, and religion.

Once they involved only professional recommendations; now they routinely include criminal background and credit checks.

It includes generous background and documentary information, including an essay on Berg's opera.

They include historical background, helping to tell the story behind the theme.

This report also includes background on the use of such authority within the past two years.

While not pretending to be biography, the book could have included more background on its leading lady.