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In the example above, Forms 1 and 2 are probably referring to the same type of individual, facility, or thing- maybe about a child- so they are grouped into the same module. Form 3 may refer to something or someone different- maybe a village- so it is in a different module. Sometimes two modules may be about the same type of person, facility, or thing, but it depends upon how the application is being used.
The details are not important now, but the key points to remember are:
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