OVE Window
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This text explains physical 'OVE' window (fragment anyway) on screen.

Window itselfs is nothing. It can only holds some private data sources. It displays caption
etc. Inside window itselfs is private unit. See unit definition. It also have some misc
thing like background, size, pos, etc.

    Unit
    ----
    Unit is a TABLE which divides area to parts. Every part can contain one unit and 0+ visual 
    objects.