The specific issue is decomposed into problematic situations, which in turn break down into smaller ones, all interrelated problems in the structure (problem or phenomenon), allowing the first attempt to formulate a scientific question.

To define a problem we must first define it, so it is necessary to place the parameters covering the information we seek.

After choosing the topic or research problem is necessary to know its components, ie the extent and contents to identify features of the phenomenon or values​​, ie we know delimit the scope, errors, functions, feasibility, utility, ties with other problems.