Root element for a CENSML experiment. Descriptive information about the experiment. Unique ID for this experiment. The title for the experiment. Subject for the experiment. Brief description of the experiment. Audit record for the person who first created this experiment. Name of the organisation producing the experiment. Audit record for a person who has edited this experiment. Additional meta information specific to each application. Narrative elements store the experimental data being recorded. The title for this narrative section. Identifier for the client which last updated this narrative. Audit record for the person who created this narrative section. Audit record for a person who has edited this narrative section. Version number for this narrative section. Brief description of the use for this narrative. A standardised format for the information in this narrative. XHTML formatted version of the narrative. PNG Graphic of the narrative. If the neutral block does not provide a means to represent the client generated data, then the native element should be used to additionally store it for future access. An alternative representation for the narratives native data. Optional narrative id specific to the application generating the censml. Representation information for an experiment field. XHTML mark up and any associated attachments (e.g. images) Raw binary information Simple tabular data in rows and columns Optional heading information for the cells columns / rows. A set of data for one row or column. Any form of valid XML formatted data. Any XML markup Common type for data in a single cell. Value for the cell X Grid reference. Y grid reference. Hold the name of a person and the data/time associated with an event (eg document creation). Human readable name of the person / organisation. Optionally store a machine specific user id in addition to the human readable form. The data and time that the change was made. Element structure to hold an XHTML document and any associated images. The XHTML markup. Any relative URI's are taken to be from the parent xhtml tag to match an attachment name below. Any XHTML markup. Additional data requireed for the narrative body such as inlie images. Need to review mimetype, png assumes only graphics but is this so. The referenced name for this attachment. The mimetype of the binary data.