The preliminary part contains definitions and general principles that find application throughout the rest of the code.
As an example, a dictionary may contain definitions of many thousands of words.
It contains statutory and judicial definitions of words and phrases.
To achieve this purpose, it is necessary to use a classification system that contains taxonomically correct definitions of classes.
This book contains definitions of 1,500 terms connected with nuclear war, many of which have become common language.
Data Dictionary: contains definitions for all the possible fields used by the model.
Articles 2-4 contain definitions of the exclusive rights granted to under copyright and related rights.
The 2005 edition contains 355,000 words, phrases, and definitions, including biographical references.
The second part (the Algorismus de minutiis) contains definitions and 42 propositions.
I believe the directive should contain clear definitions of the basic concepts.