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.
The target market is the group of consumers that a marketing strategy orients toward. Organizations use different marketing strategies to appeal to varied target markets. Undifferentiated marketing is one such marketing strategy commonly used by businesses.