Ключевые слова: application, assistance, business, businessman, button, call, click, communication, computer, concept, contact, customer, data, employee, expert, finger, fix, helpdesk, icon, information, interface, internet, keyboard, modern, network, online, people, pointing, presentation, press, pressing, professional, screen, select, service, sign, skill, solution, solving, success, summary, support, symbol, tech, technical, technician, technology, virtual, web, work,