Very well (since you wish to learn),

First, as I have written before, I don't live in a democracy. The government in the United States is a representative system. In a democracy, for example, each of the citizens would vote (or would be eligible to vote) on each issue. In the United States, citizens don't vote on issues; instead we elect representatives who vote on the issues. I write this because there are funamental differences between these two systems. In a democracy, a simple majority decides issues. This can (and does) devolve into mob rule, domination of government by the numerically superior. Those in the minority never really see their issues addressed or their proposals passed. In a representative system, it is possible, and indeed very common, for a minority group to be heard and to have their issuess addressed and their proposals passed.
The United States has over 300,000,000 people. If we assume half are eligible to vote (the remainder being children or ineligible for some other reason), then we can see that if the United States was a democracy, minority groups would have to convince 75,000,001 people (at least) of their cause. Instead, due to our representative system there are less than 600 people who actually vote on national issues and only about 220 representatives and 51 senators need to be convinced of a cause for it to pass. This is a much more attainable goal and therefore gives voice to those minority groups that a democracy wouldn't.

The world (including most of the US) incorrectly calls the US a democracy, but that clearly isn't the case. In actuality, the United States is a federation of 50 sovereign states. Each state has chosen to become a member of the federation and the other states had to agree to that membership. Each state sends representatives to the capital, in theory at least, to represent the position of the state or their constituency in deciding the laws of the nation. Those representatives, however, are free to use their own personal value system on determining how to vote on issues which means that they can indeed go against the majority view of their state or constituency.

I write the above because I am not certain that I feel qualified to comment on the values of democracy (since I don't live in one).

Second, the values that a person, a group of people or even a nation holds are based on much more than their governmental system. For example, the values that I hold come first from my faith, second from my family, and also from the culture that I live in, from the governmental system that I live under and from the economic system that I live under. I am certain that there are other influences as well.

I can state that there are some values that the United States holds, but I would suggest that many of these values cannot be attributed to our governmental system alone, but have roots in many areas.

The United States values at least the following:
individualism -- one is able to pursue any field they wish in this nation and pursue any goals. It may not be easy and the individual is not guaranteed success or even the financial means to do so, but they have the right.

responsibility -- we are presumed to be responsible for our own actions. While this value has suffered in recent years, it is still clear that I am not responsible and cannot be held responsible for something that another person does, regardless of my affiliation with that person. I can and must be held responsible for anything that I do (as well as things that I don't do that I should have done).

liberty -- the ability to think anything, say anything or do anything that is legal and doesn't cause harm to another. While different people have different ideas as to what causes harm, we generally err on the side of freedom except in cases where the danger is clear (e.g. shouting "fire" in a crowded theater when there isn't a fire clearly can cause damage and is prohibited, but shouting an obscenity in the same theater will be considered an exercise in freedom, albeit a tasteless one).

life -- we respect the life of others. Whether those others agree with us or not, we do this. We therefore do not intentionally do things to harm others. Even in wartime, we respect life and take steps to protect it whenever possible. That isn't to say that we won't go to war, but that we will do so for good reason and will do so as responsibly as possible given the circumstances.

While the US does embrace the above, I will not state that these are democratic values (the US not being a democracy), nor will I state that they are universal (many nations dont respect them). They are values that the US holds, however (not 100% of the population, most likely, but as a nation we do).

-- Jeff

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"Government is not the solution to our problem, government is the problem." --Ronald Reagan