Ключевые слова: abbreviation, account, accounting, accumulate, background, balance, balance account, blackboard, business, communication, compound, concept, conceptual, constant, corporate, datum, digital, economic, exponential, finance, financial, guidance, idea, income, industrial, industry, information, invest, line, looking, marketing, message, money, pay, revenue, savings, schedule, signs, success, symbol, term, text, time, unit, word, work, zba, zero, zero balance account,