{Unique identifier for the experiment, defined by the facility, possibly linked to the proposals}? {Brief summary of the experiment, including key objectives.}? {Description of the full experiment (document in pdf, latex, …)}? {User or Data Acquisition defined group of NeXus files or NXentry}? {Brief summary of the collection, including grouping criteria.}? {unique identifier for the measurement, defined by the facility.}? {Name of entry DTD}? {Name of entry DTD}? {Starting time of measurement}? {Ending time of measurement}? {Duration of measurement}? {Time transpired actually collecting data i.e. taking out time when collection was suspended due to e.g. temperature out of range}? {}? {Name of program used to generate this file}? { Revision id of the file due to re-calibration, reprocessing, new analysis, new instrument definition format, ... } {Notes describing entry}? {An small image that is representative of the entry.} {An example of this is a 640x480 jpeg image automatically produced by a low resolution plot of the NXdata.}? ? * ? ? * * ?