An abstract element which can be replaced using substitution groups. This element enables the implementation of additional Chat descriptors to those provided in the ICRA namespace One or more classifications of the content. This should be used when the content has been rated against a recognised policy, such as the Vodafone Global Games Policy, or BBFC classification. The required "system" attribute defines the classification system being used (such as "Vodafone Global Games Policy". The required "value" attribute is the age classification , e.g. "18+" etc. The optional "source" attribute is the name/identifier of the system that generated the rating. So you could distinguish, for example, between a rating provided by a content provider and a rating provided by a text filter. The optional "label" is to allow one rating system to provide a number of different categories of rating. Most rating systems only provide one rating (18+, 16+ U etc) however, if a rating system provides multiple rating values (ICRA-style), then you can use rating/@label to express which rating value is being provided by that rating element. The label for the rating. If the system only provides a single overall content rating value, then this attribute may be omitted. The individual, organisation or software system that provided the rating. The rating system applied. The rating value assigned to the content. OPTIONAL - NOT REQUIRED TO BE INTERPRETED FOR R4 Wrapper for all the descriptors for a given content item. In future releases this block may be used to apply more granular business rules An abstract element which can be replaced using substitution groups. This element enables the implementation of additional descriptors to those provided in the ICRA namespace for profane language An abstract element which can be replaced using substitution groups. This element enables the implementation of additional descriptors to those provided in the ICRA namespace for erotic content An abstract element which can be replaced using substitution groups. This element enables the implementation of additional descriptors to those provided in the ICRA namespace for 'other' adult content Contains a collection of ratings describing content. The portal will map these statements to the age/preferences of the requesting user and decide whether the content should be available or not. srch:content-category is optional, this enables restrictions based on the content-category (e.g. game, audio,video) as well as the label. It also facilitates reporting. An abstract element which can be replaced using substitution groups. This element enables the implementation of additional descriptors to those provided in the ICRA namespace for violent content A collection of ratings describing content srch:content-category is optional, this enables restrictions based on the content-category (e.g. game, audio,video) as well as the label The base type for an element which provides inline style extensions to the Text namespace. This base type allows text as a direct child of the extension element.