The breakdown of where attributes and features are listed as being found in the GORC-WG rolling list. This figure shows 583 attributes and features, with dark colours representing RDA outupts, including GORC preliminary outputs, speaker series, and case statement, and light colours representing external sources. All sources are named explicitly except for Random Encounters, which captures items stumbled upon through meetings and workshops, or otherwise through encounters that do not have a reference document. In this representation, 268 (45.97%) of items are listed as from RDA materials, 315 (54.03%) are listed as from external materials, and 124 (21.27%) represent metrics and KPIS. This graphic is interactive - hover your cursor over a pie slice to see the source name, number of attributes. features, or KPIs that were extracted from it, and the percentage of total items that represents.The distribution of publication year for the sources used in the phase 1 source review to create the initial set of attributes, features, and KPIs.