Diagram

Sample flowchart diagram

The English Wiktionary has a dictionary definition (meanings of a word) for: diagram

A diagram is a simplified and structured visual representation of concepts, ideas, constructions, relations, statistical data, anatomy etc. used in all aspects of human activities to visualize and clarify the topic.

Basic diagram types

• Matrix
• Set
• Network diagram
• Flowchart
• Tree diagram
• Graph

• Exploded view

Specific diagram types

A

• Activity diagram used in UML and SysML

B

• Bachman
• Booch – used in software engineering
• Block Definition Diagram (BDD) used in SysML

C

• Cartogram
• Category theory diagrams
• Cause-and-effect diagram
• Circuit diagram
• Class diagram – from UML
• Collaboration diagram – from UML 1.x
• Communication diagram – from UML 2.0
• Commutative diagram
• Component diagram – from UML
• Composite structure diagram – from UML
• Concept map
• Context diagram
• Contour diagram
• Cross-functional flowchart

D

• Database Model Diagram
• Data Flow Model diagram
• Data-structure diagram
• Dependency diagram
• Deployment diagram – from UML
• Dot and cross diagram

E

• Entity-Relationship diagram (ERD)
• Euler diagram
• Express-G
• Extended Functional Flow Block Diagram (EFFBD)

F

• Family tree
• Feynman diagram
• Fusion diagram

G

• Gantt chart – shows the timing of tasks or activities (used in project management)
• Grotrian diagram

I

• Internal Block Diagram (IBD) used in SysML
• IDEF0
• IDEF1 (entity relations)
• Interaction Overview diagram – from UML
• Ishikawa diagram

J

• Jackson diagram
• Johnston diagram

K

• Karnaugh map

L

• Line of balance

M

• Martin ERD
• Mind map – used for learning, brainstorming, memory, visual thinking and problem solving

N

• N2
• Nassi-Shneiderman diagram or structogram – a representation for structured programming
• Nomogram

O

• Object diagram – from UML
• ORM diagram
• Organisation

P

• Package diagram from UML and SysML
• Parametric diagram from SysML
• PERT
• Petri net – shows the structure of a distributed system as a directed bipartite graph with annotations
• Piping and instrumentation diagram (P&ID)
• Phase diagram
• Pourbaix diagram
• Process Flow diagram or PFD – used in chemical engineering
• Program Structure diagram

R

• Requirement Diagram Used in SysML
• Rich Picture

S

• Sankey diagram - represents material, energy or cost flows with quantity proportional arrows in a process network.
• Sentence diagram -- represents the grammatical structure of a natural language sentence.
• Sequence diagram from UML and SysML
• SDL/GR diagram – Specification and Description Language. SDL is a formal language used in computer science.
• Shlaer-Mellor – used in software engineering
• Smith chart
• Spider Chart
• SSADM – Structured Systems Analysis and Design Methodology (used in software engineering)
• State diagram from UML and SysML
• Swim lane
• System context diagram
• System structure
• Systematic layout planning

T

• Timing diagram
• TQM diagram
• Tree Diagram

U

• UML diagram – Unified Modeling Language (used in software engineering)
• Use case diagram – from UML and SysML

V

• Value stream mapping
• Venn diagram
• Voronoi diagram

Y

• Yourdon-Coad – see Edward Yourdon, used in software engineering