Often - in database theory, at least - contrasted to objects; persons, places, things, even ideas may be thought of as objects.
Objects are usually characterised in terms of their properties, or attributes, and these can take either values or objects.
Objects can change: the values of their attributes can change.
Values, on the other hand, have no properties, and they are immutable.

Something's value is how much someone will pay for it. It doesn't matter how much you think it's worth, or how much you put into it, if someone won't buy it, then its value is zero. There are other ways of determining value in the real world, like how much something means to you, etc., but pure monetary value is determined, in the end by how much someone will pay for it.

Ebay is a great forum for determining something's value.

In computer programming, a value is an item of data in some location of a program's memory.

A value can be numeric, i.e. an integer or floating point number, or it can be a character, a string, a boolean, a pointer or any other data type that can be used by the particular programming language used. Numeric values in a program usually represent quantities in the real world; character or string values represent textual information; pointer values usually contain memory addresses of other data.

Values can be constants, used in assignments, such as:

int rpm = 3600;
(3600 is a constant value being assigned to variable rpm)

or in expressions, such as:

volume = 4 / 3 * Math.PI * exp(radius, 3);
(4 and 3 are constants, and so (probably) is Math.PI, used in the calculation of a value for volume)

or they can be stored in variables, as in:

force = mass * acceleration;
(Variable force is being assigned a new value, the product of the values of variables mass and acceleration.)

The content of a variable is often referred to synonymously as its value.

Value is, for the most part, determined by two factors: what it is made up of (its parts) and what it represents (its aesthetics). Take, for example, a chair: a chair is, at its heart, a very basic item and exists for one purpose, sitting; its success at that purpose will vary based on what its parts are and how they fit together. But, because a chair exists for only one purpose, its success at that purpose can only vary so much; because of this, a chair's form is critical in determining its value. Thus, a chair that is very comfortable but ugly and a chair that is uncomfortable but beautiful will both be valuable because function and form are of roughly equivalent importance in the world of chair design.

Values are things that people believe are important, not born with but are acquired. Values are guides to the way you live your life.

Your values shape your life:

Attitudes: your general thought about a person, situation, belief of object

Beliefs: Things you belive are real, true or that you have faith in

Behaviour: the way in which you or another person acts

Values influence decisions. They are what makes decision making different from problem solving. In problem solving there may be only one correct answer, but in decision making several people given he same situation may make different decisions. They may be right for them because they hold different values. Someone may value financial security or independance, and others may value education and friendship. These are just common examples.

As people grow from childhood to adolescence their values are likely to change. They are also likely to alter during the course to adulthood. A study in Britain gave two groups of students, one of children about 5-6 and another around 11-13, this question:

A man's wife is very sick and near death. There is an expensive medicine that will make the wife all better but the man is poor and cannot afford it. Is it alright if he steals the medicine so his wife can live?

The 5-6 year olds believed it was wrong to steal since it is against the law. The older group found that a human life is worth the risk, after all, a human life is priceless and therefore more valuable than the stolen medicine. This showed that as children grew up their thoughts became more complex and thus learned that certain things they may have valued were probably not as important as they originally thought.

Val"ue (?), n. [OF. value, fr. valoir, p. p. valu, to be worth, fr. L. valere to be strong, to be worth. See Valiant.]

1.

The property or aggregate properties of a thing by which it is rendered useful or desirable, or the degree of such property or sum of properties; worth; excellence; utility; importance.

Ye are all physicians of no value.
Job xiii. 4.

Ye are of more value than many sparrows.
Matt. x. 31.

Cæsar is well acquainted with your virtue,
And therefore sets this value on your life.
Addison.

Before events shall have decided on the value of the measures.
Marshall.

2. (Trade & Polit. Econ.)

Worth estimated by any standard of purchasing power, especially by the market price, or the amount of money agreed upon as an equivalent to the utility and cost of anything.

An article may be possessed of the highest degree of utility, or power to minister to our wants and enjoyments, and may be universally made use of, without possessing exchangeable value.
M'Culloch.

Value is the power to command commodities generally.
A. L. Chapin (Johnson's Cys.).

Value is the generic term which expresses power in exchange.
F. A. Walker.

His design was not to pay him the value of his pictures, because they were above any price.
Dryden.

⇒ In political economy, value is often distinguished as intrinsic and exchangeable. Intrinsic value is the same as utility or adaptation to satisfy the desires or wants of men. Exchangeable value is that in an article or product which disposes individuals to give for it some quantity of labor, or some other article or product obtainable by labor; as, pure air has an intrinsic value, but generally not an exchangeable value.

3.

Precise signification; import; as, the value of a word; the value of a legal instrument Mitford.

4.

Esteem; regard. Dryden.

My relation to the person was so near, and my value for him so great
Bp. Burnet.

5. (Mus.)

The relative length or duration of a tone or note, answering to quantity in prosody; thus, a quarter note [&?;] has the value of two eighth notes [&?;].

6.

In an artistical composition, the character of any one part in its relation to other parts and to the whole; -- often used in the plural; as, the values are well given, or well maintained.

7.

Valor. [Written also valew.] [Obs.] Spenser.

Value received, a phrase usually employed in a bill of exchange or a promissory note, to denote that a consideration has been given for it. Bouvier.

 

© Webster 1913

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Val"ue (?), v. t. [imp. & p. p. Valued (?); p. pr. & vb. n. Valuing.]

1.

To estimate the value, or worth, of; to rate at a certain price; to appraise; to reckon with respect to number, power, importance, etc.

The mind doth value every moment.
Bacon.

The queen is valued thirty thousand strong.
Shak.

The king must take it ill,
That he's so slightly valued in his messenger.
Shak.

Neither of them valued their promises according to rules of honor or integrity.
Clarendon.

2.

To rate highly; to have in high esteem; to hold in respect and estimation; to appreciate; to prize; as, to value one for his works or his virtues.

Which of the dukes he values most.
Shak.

3.

To raise to estimation; to cause to have value, either real or apparent; to enhance in value. [Obs.]

Some value themselves to their country by jealousies of the crown.
Sir W. Temple.

4.

To be worth; to be equal to in value. [Obs.]

The peace between the French and us not values
The cost that did conclude it.
Shak.

Syn. -- To compute; rate; appraise; esteem; respect; regard; estimate; prize; appreciate.

 

© Webster 1913

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Val"ue (?), n.

1.

(a)

That property of a color by which it is distinguished as bright or dark; luminosity.

(b)

Degree of lightness as conditioned by the presence of white or pale color, or their opposites.

2. (Math.)

Any particular quantitative determination; as, a function's value for some special value of its argument.

3. [pl.]

The valuable ingredients to be obtained by treatment from any mass or compound; specif., the precious metals contained in rock, gravel, or the like; as, the vein carries good values; the values on the hanging walls.

 

© Webster 1913