The term institution commonly applies to both informal institutions such as customs, or behavior patterns important to a society, and to particular formal institutions created by entities such as the government and public services.
The definition of conservative is favoring older, known traditions and resisting any changes. An example of conservative is preferring laws to stay the same. Conservative is defined as a type of statement that is safe or moderate. An example of conservative is an estimate of how much time a job will take.
Moderates are in the middle- just as the name implies. A difficult bunch to label because each individual likes different bits of the competing buffets. Here's the thing: Liberals drive change, conservatives drive stability. Without both, the balance is off-kilter, and the nation doesn't work.