| Subject | English | Icelandic |
| comp., MS | accounting category | bókhaldsflokkur (A classifier used to group journal account entries according to their economic characteristics) |
| comp., MS | attribute category | eigindaflokkur (A classification of dimension values that is used to summarize transaction data) |
| comp., MS | category axis | flokkaás (A chart axis that represents the category for each data point. It displays arbitrary text values like Qtr1, Qtr2, and Qtr3; it cannot display scaled numerical values) |
| comp., MS | category catalog | tegundalisti (A collection of category items that are used only for purchase requisitions) |
| comp., MS | category field | flokksreitur (A field that is displayed in the category area of PivotChart view. Items in a category field appear as labels on the category axis) |
| comp., MS | category hierarchy | tegundastigveldi (A structure that orders categories using a superordinate-subordinate relationship) |
| math. | category theory | flokkur kenning |
| comp., MS | color category | litaflokkur (A keyword or phrase with an associated color that helps you keep track of items, such as messages, contacts, and appointments. You can use color categories to easily find, sort, filter, or group items) |
| comp., MS | main account category | tegund aðallykils (A classifier of a main account) |
| math. | marginal category | lélegur flokki |
| comp., MS | Master Category List | Aðalflokkalisti (The list of categories that you can use to group items or to find items. This list contains general categories such as Business, Personal, and Phone Calls. You can add categories to and delete categories from this list) |
| comp., MS | multiple-level category labels | fjölþrepa flokkunarmerki (Category labels in a chart that, based on worksheet data, are automatically displayed on more than one line in a hierarchy. For example, the heading Produce might appear above a row with headings Tofu, Apples, and Pears) |
| comp., MS | PivotChart category field | PivotChart-flokkareitur (A field that is assigned a category orientation in a PivotChart report. In a chart, categories usually appear on the x-axis, or horizontal axis, of the chart) |
| comp., MS | procurement category hierarchy | tegundastigveldi innkaupa (A category hierarchy that orders categories that are created to group products that have similar procurement management and accounting characteristics) |
| comp., MS | Quick Click category | Flýtismellaflokkur (A default color category that is assigned to an item when you click the Categories column for the item in your Inbox or other table view. You set this color category from the Categorize menu) |