Translations:Survey structure/12/en

A survey is formed of questions and question groups. They represent the backbone of a survey. Besides that, a survey may also contain:
 * the main and additional survey languages
 * Question attributes
 * Answers
 * Subquestions
 * Default answers
 * Assessments
 * Quotas
 * Quota members
 * Quota language settings
 * Survey users and their permissions
 * Survey-specific settings