221. Describe what else can be used instead of money as a store of value

281. Explainwhat purchasing power of money means.
Purchase power is a measure of what your money can buy — here's how it can impact your finances.Purchase power can play an important role in national and local policymaking.Purchasing power refers to how much you can buy with a unit of currency, such as a dollar.If your purchasing power drops, your money may become less valuable or useful over time.Inflation impacts purchasing power, but changing wages can also impact your finances.
If you find a 200 dollar bill that was printed 20 years ago, it will still be worth dollars. But you can probably buy a lot less with it today than you could have when it first came off the printing press. 
Purchase power is a measure of how many goods or services you can buy with a unit of currency. The currency might be a commodity, such as gold, silver, or a government-issued currency, such as the US dollar (USD).
282. Explainwhat general price level means.
General price level (Inflation) is an important part of macroeconomic analysis, especially where explicit inflation targets are a key element for the stability of the monetary policy that is the main role of central banks. It includes: National income and output; General price level; Balance of trade and payments; External value of money; Saving and investment; and Employment and economic growth. Mathematically, RW = MW/ PWhere,RW = Real wageMW = Money wageP = General price level Money wage remaining constant, when general price level increases, real wage decreases and vice versa. General price level changes are implicitly a portion of the current nominal cost-of-capital rate.
283. Explainwhat average level of price means.
Price level is the average of current prices across the entire spectrum of goods and services produced in an economy. In more general terms, price level refers to the price or cost of a good, service, or security in the economy.Price levels may be expressed in small ranges, such as ticks with securities prices, or presented as a discrete value such as a dollar figure.In economics, price levels are a key indicator and are closely watched by economists. They play an important role in the purchasing power of consumers as well as the sale of goods and services. It also plays an important part in the supply-demand chain.The price level is the average of the current price of goods and services produced in the economy.Price levels are expressed in small ranges or as discrete values such as dollar figures.Price levels are leading indicators in the economy; rising prices indicate higher demand leading to inflation while declining prices indicate lower demand or deflation.
In the investment world, the price level is referred to as support and resistance, which help define entry and exit points.