Analyses:An analyses is a query aganist an Organization's data that provides answers to Business questions.A query contains the underlying SQL statements that are issued to the OBI Server.
Analyses that you create can be saved in the OBI Presentation catalog and integrated into any Oracle BIEE Dashboard.

Subject Area contains folders,measure columns,attribute columns,hierachical columns and hierarchy levels that represent information about of an organization's business or about groups of users with an organization.
Subject Areas usually have names that correspond to the types of information that they contain,such as markerting contracts,service requests and orders.