| Subject | English | Welsh |
| comp., MS | content index | mynegai cynnwys (The full-text index, pointer to the property store, and other data that describes content across content sources, scopes, and servers) |
| comp., MS | content index server | gweinydd mynegai cynnwys (A server that is dedicated to creating and updating context indexes) |
| comp., MS | content indexing | mynegeio cynnwys (The process of creating an index of the content) |