Could someone explain the stock market to me?

• company stock definition
• purchase price of stock
• uprr stock price
• exchange traded funds

For instance what does all that below mean? How would it work?



General Motors Company

NYSE: GM - Oct 22 11:51 AM ET

35.75+0.25 (0.70%)

Open 35.62

High 36.13

Low 35.59

Volume 6,958,993

Avg Vol 17,095,000

Mkt Cap 52.98B

Additional Details

What does open, high, and low mean?

and avg vol?

Could someone explain the stock market to me?