Ключевые слова: agency, approval, assurance, assured, best, business, businessman, certificate, certification, client, company, concept, control, corporate, cyberspace, device, digital, evaluation, excellent, feedback, guarantee, improvement, industry, insurance, management, marketing, merchandise, organisation, performance, planning, present, procedure, process, production, proposal, quality, review, satisfaction, security, service, show, solution, standard, success, support, symbol, system, technology, virtual, warranty,