The definition of an institution is an established custom or practice, or a group of people that was formed for a specific reason or a building that houses the group of people. Marriage is an example of a cultural institution.
Contextual targeting is a type of targeting on the Google Display Network in which you select specific keywords or topics and then allow AdWords to identify websites that are a good fit for your keywords and targets.
This can fall by the wayside, however, during unrestricted warfare. Targeting may also refer to the targeting of the actual objective to be destroyed by military personnel, such as painting a target with a laser for laser guided munitions, estimating range for artillery, etc.