Main Difference
The main difference between Diagram and Chart is that the Diagram is a plan, drawing, sketch or outline to show how something works or the relationships between the parts of a whole and Chart is a graphical representation of data.
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Diagram
A diagram is a symbolic representation of information according to visualization technique. Diagrams have been used since ancient times, but became more prevalent during the Enlightenment. Sometimes, the technique uses a three-dimensional visualization which is then projected onto a two-dimensional surface. The word graph is sometimes used as a synonym for diagram.
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Chart
A chart is a graphical representation of data, in which “the data is represented by symbols, such as bars in a bar chart, lines in a line chart, or slices in a pie chart”. A chart can represent tabular numeric data, functions or some kinds of qualitative structure and provides different info.
The term “chart” as a graphical representation of data has multiple meanings:
A data chart is a type of diagram or graph, that organizes and represents a set of numerical or qualitative data.
Maps that are adorned with extra information (map surround) for a specific purpose are often known as charts, such as a nautical chart or aeronautical chart, typically spread over several map sheets.
Other domain specific constructs are sometimes called charts, such as the chord chart in music notation or a record chart for album popularity.Charts are often used to ease understanding of large quantities of data and the relationships between parts of the data. Charts can usually be read more quickly than the raw data. They are used in a wide variety of fields, and can be created by hand (often on graph paper) or by computer using a charting application. Certain types of charts are more useful for presenting a given data set than others. For example, data that presents percentages in different groups (such as “satisfied, not satisfied, unsure”) are often displayed in a pie chart, but may be more easily understood when presented in a horizontal bar chart. On the other hand, data that represents numbers that change over a period of time (such as “annual revenue from 1990 to 2000”) might be best shown as a line chart.
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Diagram (noun)
A plan, drawing, sketch or outline to show how something works, or show the relationships between the parts of a whole.
“Electrical diagrams show device interconnections.”
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Diagram (noun)
A graph or chart.
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Diagram (noun)
A functor from an index category to another category. The objects and morphisms of the index category need not have any internal substance, but rather merely outline the connective structure of at least some part of the diagram’s codomain. If the index category is J and the codomain is C, then the diagram is said to be “of type J in C”.
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Diagram (verb)
To represent or indicate something using a diagram.
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Chart (noun)
A map.
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Chart (noun)
A map illustrating the geography of a specific phenomenon.
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Chart (noun)
A systematic non-narrative presentation of data.
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Chart (noun)
A navigator’s map.
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Chart (noun)
A tabular presentation of data; a table.
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Chart (noun)
A diagram.
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Chart (noun)
A graph.
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Chart (noun)
A record of a patient’s diagnosis, care instructions, and recent history.
“I snuck a look at his chart. It doesn’t look good.”
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Chart (noun)
A written deed; a charter.
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Chart (noun)
A subspace of a manifold used as part of an atlas
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Chart (verb)
To draw a chart or map of.
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Chart (verb)
To draw or figure out (a route or plan).
“Let’s chart how we’re going to get from here to there.”
“We are on a course for disaster without having charted it.”
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Chart (verb)
To record systematically.
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Chart (verb)
To appear on a hit-recording chart.
“The song has charted for 15 weeks!”
“The band first charted in 1994.”
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Diagram (noun)
a simplified drawing showing the appearance, structure, or workings of something; a schematic representation
“a diagram of the living room”
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Diagram (noun)
a figure composed of lines that is used to illustrate a definition or statement or to aid in the proof of a proposition.
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Diagram (noun)
a graphical schedule for operating railway locomotives and rolling stock in order to provide a desired service.
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Diagram (verb)
represent (something) in graphic form
“the experiment is diagrammed on page fourteen”
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Diagram (verb)
schedule the operations of (a locomotive or train) according to a diagram.
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Chart (noun)
a sheet of information in the form of a table, graph, or diagram
“the doctor recorded her blood pressure on a chart”
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Chart (noun)
a weekly listing of the current bestselling pop records
“she topped the charts for eight weeks”
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Chart (noun)
a geographical map or plan, especially one used for navigation by sea or air
“a chart of the English coast”
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Chart (noun)
a circular map showing the positions of the planets in the twelve houses at the time of someone’s birth, from which astrologers are said to be able to deduce their character or potential.
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Chart (verb)
make a map of (an area)
“Cook charted the coasts and waters of New Zealand”
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Chart (verb)
plot (a course) on a chart
“the pilot found his craft taking a route he had not charted”
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Chart (verb)
record the progress or development of
“the poems chart his descent into madness”
“a major series charting the history of country music”
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Chart (verb)
(of a record) sell enough copies to enter the music charts at a particular position
“the record will probably chart at about No. 74”