Phrase:Returns all topics that contain the exact phrase in the search criteria. Use quotation marks around the phrase. Ex."system administration"
And:Returns all topics that contain all the words in the search criteria, in any combination. Insert a plus sign between all words in the search criteria. Ex.system + administration
Or:Returns all topics with any combination of words in the search criteria. This is the default. Ex.system administration
Indirect Costs
Costs that are not readily subject to treatment as direct costs because of their incurrence for common or joint objectives. This term is further defined in FAR 31.203.