Consommé or court bullion.
condensed, rich, undiluted, reduced, evaporated, thickened
By drinking fresh water.
If you simmer the stock and evaporate some of the water, the flavor will be concentrated and it should taste better.
The question is not so clear.
Yes - broth is not as rich as stock, which is boiled for hours to extract the most flavor from the meat/bones/vegetables it is made from. That is why broth is typically less expensive than stock. Both can be used to make soup from - but stock will produce a richer flavor than broth.
A stock solution is a highly concentrated solution that is usually diluted in labs to get more precise moralities in experiments.
It's beef stock that has been boiled and reduced until it becomes like a syrup or paste. It's highly concentrated beef flavor so if you use it start with a small amount and only add more as you taste.
Demi-glace
Glacial acetic acid is concentrated acetic acid. It is clear.
The term "Treasury Stock" is defined as the stock that is brought back by the corporation that issued it earlier. The purpose of buying back the stock is either for resale or retirement and the availability of the outstanding stock is much reduced.
C. Reduced wildlife habitat ~Apex
Demi Glace is a stock that has been reduced by 2/3rds. Sauce Espangnole is brown veal stock thickened with a roux, with tomato paste, carrots, celery and onion, reduced by 2/3rds.