supplies the value of a date or time in a standard form. specifies the earliest possible date for the event in standard form, e.g. yyyy-mm-dd. specifies the latest possible date for the event in standard form, e.g. yyyy-mm-dd. indicates the starting point of the period in standard form. indicates the ending point of the period in standard form. (duration) indicates the length of this element in time. (additional name) contains an additional name component, such as a nickname, epithet, or alias, or any other descriptive phrase used within a personal name. (affiliation) contains an informal description of a person's present or past affiliation with some organization, for example an employer or sponsor. (age) specifies the age of a person. supplies a numeric code representing the age or age group (birth) contains information about a person's birth, such as its date and place. (bloc) contains the name of a geo-political unit consisting of two or more nation states or countries. (climate) contains information about the physical climate of a place. (country) contains the name of a geo-political unit, such as a nation, country, colony, or commonwealth, larger than or administratively superior to a region and smaller than a bloc. (death) contains information about a person's death, such as its date and place. contains the name of any kind of subdivision of a settlement, such as a parish, ward, or other administrative or geographic unit. contains a description of the educational experience of a person. (event) contains data relating to any kind of significant event associated with a person, place, or organization. indicates the location of an event by pointing to a place element specifies the faith, religion, or belief set of a person. contains information about a person's period of activity. contains a forename, given or baptismal name. (generational name component) contains a name component used to distinguish otherwise similar names on the basis of the relative ages or generations of the persons named. (geographical coordinates) contains any expression of a set of geographic coordinates, representing a point, line, or area on the surface of the earth in some notation. (geographical feature name) contains a common noun identifying some geographical feature contained within a geographic name, such as valley, mount, etc. (geographical name) a name associated with some geographical feature such as Windrush Valley or Mount Sinai. provides more culture- linguistic- or application- specific information used to categorize this name component. (language knowledge) summarizes the state of a person's linguistic knowledge, either as prose or by a list of langKnown elements. supplies one or more valid language tags for the languages specified (language known) summarizes the state of a person's linguistic competence, i.e., knowledge of a single language. supplies a valid language tag for the language concerned. a code indicating the person's level of knowledge for this language (list of events) contains a list of descriptions, each of which provides information about an identifiable event. (list of canonical names) contains a list of nyms, that is, standardized names for any thing. (list of organizations) contains a list of elements, each of which provides information about an identifiable organization. (list of persons) contains a list of descriptions, each of which provides information about an identifiable person or a group of people, for example the participants in a language interaction, or the people referred to in a historical source. (list of places) contains a list of places, optionally followed by a list of relationships (other than containment) defined amongst them. defines the location of a place as a set of geographical coordinates, in terms of a other named geo-political entities, or as an address. (name link) contains a connecting phrase or link used within a name but not regarded as part of it, such as van der or of. contains an informal description of a person's present or past nationality or citizenship. (canonical name) contains the definition for a canonical name or namepart of any kind. points to constituent nyms contains an informal description of a person's trade, profession or occupation. identifies the classification system or taxonomy in use by supplying the identifier of a taxonomy element elsewhere in the header. identifies an occupation code defined within the classification system or taxonomy defined by the scheme attribute. that part of a relative temporal or spatial expression which indicates the direction of the offset between the two place names, dates, or times involved in the expression. (organization) provides information about an identifiable organization such as a business, a tribe, or any other grouping of people. specifies a primary role or classification for the organization. (organization name) contains an organizational name. (personal name) contains a proper noun or proper-noun phrase referring to a person, possibly including any or all of the person's forenames, surnames, honorifics, added names, etc. provides information about an identifiable individual, for example a participant in a language interaction, or a person referred to in a historical source. specifies a primary role or classification for the person. specifies the sex of the person. specifies an age group for the person. (personal group) describes a group of individuals treated as a single person for analytic purposes. specifies the role of this group of participants in the interaction. specifies the sex of the participant group. mixed specifies the age group of the participants. specifies the size or approximate size of the group. contains data about a geographic location contains an absolute or relative place name. contains information about the population of a place. contains the name of an administrative unit such as a state, province, or county, larger than a settlement, but smaller than a country. (relationship) describes any kind of relationship or linkage amongst a specified group of participants. Only one of the attributes 'active' and 'mutual' may be supplied the attribute 'passive' may be supplied only if the attribute 'active' is supplied categorizes the relationship in some respect, e.g. as social, personal or other. Suggested values include: 1] social; 2] personal; 3] other social relationship concerned with social roles personal relationship concerned with personal roles, e.g. kinship, marriage, etc. other other kinds of relationship supplies a name for the kind of relationship of which this is an instance. identifies the active participants in a non-mutual relationship, or all the participants in a mutual one. supplies a list of participants amongst all of whom the relationship holds equally. identifies the passive participants in a non-mutual relationship. (relation group) provides information about relationships identified amongst people, places, and organizations, either informally as prose or as formally expressed relation links. (residence) describes a person's present or past places of residence. contains a name component which indicates that the referent has a particular role or position in society, such as an official title or rank. contains the name of a settlement such as a city, town, or village identified as a single geo-political or administrative unit. specifies the sex of a person. (socio-economic status) contains an informal description of a person's perceived social or economic status. identifies the classification system or taxonomy in use. identifies a status code defined within the classification system or taxonomy defined by the source attribute. contains a description of some status or quality attributed to a person, place, or organization at some specific time. contains a family (inherited) name, as opposed to a given, baptismal, or nick name. contains information about the physical terrain of a place. contains a description of some culturally-determined and in principle unchanging characteristic attributed to a person or place .