Function vs. Notion: What's the Difference?

Function and Notion Definitions
Function
A person's role or occupation
In my function as chief editor.
Notion
A belief or opinion
Had an old-fashioned notion of what qualities were most important in a mate.
Function
(Biology) The physiological activity of an organ or body part
The heart's function is to pump blood.
Notion
A mental image; an idea or conception
Do you have any notion of what I'm referring to?.
Function
(Computers) A procedure within an application.
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Notion
An impulse or whim
I suddenly had the notion of walking by the river.
Function
An official ceremony or a formal social occasion
Disliked attending receptions and other company functions.
Notion
Notions Small lightweight items for household use, such as needles, buttons, and thread.
Function
Something closely related to another thing and dependent on it for its existence, value, or significance
Growth is a function of nutrition.
Notion
Mental apprehension of whatever may be known, thought, or imagined; idea, concept.
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Function
A variable so related to another that for each value assumed by one there is a value determined for the other.
Notion
A sentiment; an opinion.
Function
A rule of correspondence between two sets such that there is exactly one element in the second set assigned to each element in the first set. Also called mapping.
Notion
(obsolete) Sense; mind.
Function
To have or perform a function; serve
Functioned as ambassador.
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Notion
(colloquial) An invention; an ingenious device; a knickknack.
Yankee notions
Function
To deal with or overcome the challenges of everyday life
For weeks after his friend's funeral he simply could not function.
Notion
Any small article used in sewing and haberdashery, either for attachment to garments or as a tool, such as a button, zipper, or thimble.
Function
What something does or is used for.
Notion
(colloquial) Inclination; intention; disposition.
I have a notion' to do it.
Function
A professional or official position.
Notion
Mental apprehension of whatever may be known or imagined; an idea; a conception; more properly, a general or universal conception, as distinguishable or definable by marks or notæ.
What hath been generally agreed on, I content myself to assume under the notion of principles.
Few agree in their notions about these words.
That notion of hunger, cold, sound, color, thought, wish, or fear which is in the mind, is called the "idea" of hunger, cold, etc.
Notion, again, signifies either the act of apprehending, signalizing, that is, the remarking or taking note of, the various notes, marks, or characters of an object which its qualities afford, or the result of that act.
Function
An official or social occasion.
Notion
A sentiment; an opinion.
The extravagant notion they entertain of themselves.
A perverse will easily collects together a system of notions to justify itself in its obliquity.
Function
Something which is dependent on or stems from another thing; a result or concomitant.
Notion
Sense; mind.
Function
A relation where one thing is dependent on another for its existence, value, or significance.
Notion
An invention; an ingenious device; a knickknack; as, Yankee notions.
Function
(mathematics) A relation in which each element of the domain is associated with exactly one element of the codomain. Category:en:Functions
Notion
Inclination; intention; disposition; as, I have a notion to do it.
Function
(computing) A routine that receives zero or more arguments and may return a result.
Notion
Miscellaneous small objects; sundries; - usually referring to articles displayed together for sale.
Function
(biology) The physiological activity of an organ or body part.
Notion
A vague idea in which some confidence is placed;
His impression of her was favorable
What are your feelings about the crisis?
It strengthened my belief in his sincerity
I had a feeling that she was lying
Function
(chemistry) The characteristic behavior of a chemical compound.
Notion
A general inclusive concept
Function
(anthropology) The role of a social practice in the continued existence of the group.
Notion
An odd or fanciful or capricious idea;
The theatrical notion of disguise is associated with disaster in his stories
He had a whimsy about flying to the moon
Whimsy can be humorous to someone with time to enjoy it
Function
(intransitive) To have a function.
Notion
(usually plural) small personal articles or clothing or sewing items;
Buttons and needles are notions
Function
(intransitive) To carry out a function; to be in action.
Function
The act of executing or performing any duty, office, or calling; performance.
Function
The appropriate action of any special organ or part of an animal or vegetable organism; as, the function of the heart or the limbs; the function of leaves, sap, roots, etc.; life is the sum of the functions of the various organs and parts of the body.
Function
The natural or assigned action of any power or faculty, as of the soul, or of the intellect; the exertion of an energy of some determinate kind.
As the mind opens, and its functions spread.
Function
The course of action which peculiarly pertains to any public officer in church or state; the activity appropriate to any business or profession.
Tradesmen . . . going about their functions.
The malady which made him incapable of performing hisregal functions.
Function
A quantity so connected with another quantity, that if any alteration be made in the latter there will be a consequent alteration in the former. Each quantity is said to be a function of the other. Thus, the circumference of a circle is a function of the diameter. If x be a symbol to which different numerical values can be assigned, such expressions as x2, 3x, Log. x, and Sin. x, are all functions of x.
Function
A religious ceremony, esp. one particularly impressive and elaborate.
Every solemn function' performed with the requirements of the liturgy.
Function
A public or social ceremony or gathering; a festivity or entertainment, esp. one somewhat formal.
This function, which is our chief social event.
Function
To execute or perform a function; to transact one's regular or appointed business.
Function
A mathematical relation such that each element of one set is associated with at least one element of another set
Function
What something is used for;
The function of an auger is to bore holes
Ballet is beautiful but what use is it?
Function
The actions and activities assigned to or required or expected of a person or group;
The function of a teacher
The government must do its part
Play its role
Function
A relation such that one thing is dependent on another;
Height is a function of age
Price is a function of supply and demand
Function
A formal or official social gathering or ceremony;
It was a black-tie function
Function
A vaguely specified social event;
The party was quite an affair
An occasion arranged to honor the president
A seemingly endless round of social functions
Function
A set sequence of steps, part of larger computer program
Function
Perform as expected when applied;
The washing machine won't go unless it's plugged in
Does this old car still run well?
This old radio doesn't work anymore
Function
Serve a purpose, role, or function;
The tree stump serves as a table
The female students served as a control group
This table would serve very well
His freedom served him well
The table functions as a desk
Function
Perform duties attached to a particular office or place or function;
His wife officiated as his private secretary