### 13.1.2. The Data Hierarchy

Data is entered via parameters. These are grouped into objects that are stored in a tree structure.

    OBJECT1: object name
       name1 = value
       name2 = value
    END

Objects and parameters may be placed in any order, provided that the information is set prior to being used further down the file. If data is set in one place and modified in another, the latter definition overrides the first.

In CFD-Post, all object definitions are only one object level deep (that is, objects contain parameters, but not other objects).

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