Function vs. Notion

Difference Between Function and Notion
Functionnoun
What something does or is used for.
Notionnoun
Mental apprehension of whatever may be known, thought, or imagined; idea, concept.
Functionnoun
A professional or official position.
Notionnoun
A sentiment; an opinion.
Functionnoun
An official or social occasion.
Notionnoun
(obsolete) Sense; mind.
Functionnoun
A relation where one thing is dependent on another for its existence, value, or significance.
Notionnoun
(colloquial) An invention; an ingenious device; a knickknack.
Yankee notionsFunctionnoun
(mathematics) A relation in which each element of the domain is associated with exactly one element of the codomain.
Notionnoun
Any small article used in sewing and haberdashery, such as a button or zipper.
Functionnoun
(computing) A routine that receives zero or more arguments and may return a result.
Notionnoun
(colloquial) Inclination; intention; disposition.
I have a notion to do it.Functionnoun
(biology) The physiological activity of an organ or body part.
Notionnoun
a vague idea in which some confidence is placed;
his impression of her was favorablewhat are your feelings about the crisis?it strengthened my belief in his sincerityI had a feeling that she was lyingFunctionnoun
(chemistry) The characteristic behavior of a chemical compound.
Notionnoun
a general inclusive concept
Functionnoun
(anthropology) The role of a social practice in the continued existence of the group.
Notionnoun
an odd or fanciful or capricious idea;
the theatrical notion of disguise is associated with disaster in his storieshe had a whimsy about flying to the moonwhimsy can be humorous to someone with time to enjoy itFunctionverb
(intransitive) To have a function.
Notionnoun
(usually plural) small personal articles or clothing or sewing items;
buttons and needles are notionsFunctionverb
(intransitive) To carry out a function; to be in action.
Functionnoun
a mathematical relation such that each element of one set is associated with at least one element of another set
Functionnoun
what something is used for;
the function of an auger is to bore holesballet is beautiful but what use is it?Functionnoun
the actions and activities assigned to or required or expected of a person or group;
the function of a teacherthe government must do its partplay its roleFunctionnoun
a relation such that one thing is dependent on another;
height is a function of ageprice is a function of supply and demandFunctionnoun
a formal or official social gathering or ceremony;
it was a black-tie functionFunctionnoun
a vaguely specified social event;
the party was quite an affairan occasion arranged to honor the presidenta seemingly endless round of social functionsFunctionnoun
a set sequence of steps, part of larger computer program
Functionverb
perform as expected when applied;
The washing machine won't go unless it's plugged inDoes this old car still run well?This old radio doesn't work anymoreFunctionverb
serve a purpose, role, or function;
The tree stump serves as a tableThe female students served as a control groupThis table would serve very wellHis freedom served him wellThe table functions as a deskFunctionverb
perform duties attached to a particular office or place or function;
His wife officiated as his private secretary