17. A method of claim 16, further comprising the steps of (p) printing out a list of informational words arranged in consecutive order of memory numbers, said list of informational words being identified by a special name, e.g. Document 1; (q) printing out a list of informational words arranged in consecutive order of numbers of logical units, said list of informational words being identified by a special name, e.g. Document 2; (r) printing out a list of informational words arranged in consecutive order of numbers of subroutines, said list of informational words being identified by a special name, e.g. Document 3; (s) printing out a list of informational words arranged in consecutive order of line numbers of entrances of logical parts, said list of informational words being identified by a special name, e.g. Document 4.
16. A method of claim 15, further comprising the steps of (k) entering into computer a set of at least three attributes, characterizing the exit of one logical part, and a set of at least three attributes, characterizing the entrance of another logical part, to which control of data processing activity is transferred, said attributes consisting of the number of a logical part, the name (optionally) of said logical part, the program line number of the port, the number of the port; (l) arranging attributes of one logical part and attributes of a linking logical part in such a way that they form an informational word which is stored in a computer memory; (m) assigning a consecutive memory number to each informational word, said memory number being an additional virtual attribute of each informational word; (n) forming a collection of all informational words, said collection describing all links between different logical parts, whereby said collection becomes a base for creating a numerical description of the logical structure.