Another section you will need to edit in the NPS Editor is the Keywords section. In addition to any keywords you entered using ArcCatalog, you will need to select keywords from the NPS and International Standards Organization (ISO) lists. Drop-down lists are provided for you. You may choose more than one keyword from these lists if multiple categories apply. Simply use the "Insert Element" button ().

When selecting keywords, keep in mind that these will be used to identify your dataset when people search in the Data Store. So imagine that you are hunting for your data online, and choose logical keywords that you might type into a search engine.