● is suitable to users' needs
audience analysis, task analysis, user questionnaires, observation, usability testing of the documentation

● contains easily accessible information (search function)

● decreases costs to your company (case study)
users finding answers to their questions and therefore not calling your service desk or other personnel

● is technically accurate
    	technical reviews, usability testing

● is grammatically accurate and stylistically consistent
          checklists, style guides, templates, glossaries, controlled languages

● there must be install and set up the same system in accordance with the rules described there;

● does not contain redundant information;

● includes the list of prerequisites and requirements, by which fulfilling the given guidance can be applied;

● is readable and understandable;

● can be followed;

● Is valid (also includes the latest changes);

● free from errors;

● up to date;