Types of Diagrams

Types of Diagrams
Examples of Specific
Diagram Types
Science Diagrams
Type of tree diagram
Often shows taxonomic relationships
Software Design Diagrams
UML Diagrams
Based on Unified Modeling Language
Tries to model and represent software
Project Management Diagrams
PERT Charts
PERT = Program Evaluation Review
Developed by the U.S. Navy in the 1950s
Organizes tasks within a project
Work Breakdown Structure
Breaks a project down into smaller, manageable
components or work packages
"A hierarchical decomposition of the total
scope of work to be carried out by the
project team to accomplish the project
objectives and create the required
Characteristics of a WBS
Strict hierarchical relationship between
child and parent elements; the sum of all
child elements equals the parent element
Each element should have at least two
child elements
Mutually exclusive
All elements on a certain level have to be
mutually exclusive
WBS focuses on the result of the work, not
the activities necessary to get there
Decision Tree
Diagram visualizes decisions and outcomes
Decision tree characteristics
A diagram that has a single element at its
Multiple elements can branch off from the
base, either to the right or towards the
From each element, multiple elements can
again branch off
Fishbone Diagram
Also called
Cause–and–Effect Diagram
Ishikawa Diagram
Identifies different possible causes for an
effect or problem
Fishbone diagram characteristics
Problem is written in a box on the right
end of a horizontal line
Potential causes for the problem are
written on branches that point from the
horizontal line to the top left and bottom
Result is a kind of fishbone structure
Kanban Board
Agile project management tool
Kanban characteristics
Visualizes tasks within vertical sections on a
Tasks move from the left-most section on
the board to the right-most section
Typical sections: Open In Progress Done
Toyota, 1940s
Engineering process optimization
Best Kanban software
Special case
Kanban board with swimlanes
Timeline uses
Visualizes a list of events in chronological
Usually a straight, horizontal line with event
dates marked on the line
Gantt Chart
Type of timeline used in project
Depicts events and tasks in the form of
bars on a time scale
Used for tracking project schedules
Flow Chart
Flow chart characteristics
Represents an algorithm, process, or
Uses various different shapes to represent
steps in a workflow
Uses arrows to visualize flow and sequence
Main types of flow charts
Document flowchart
System flowchart
Data flowchart
Program flowchart
Org Chart
Short for "Organizational Chart"
Org chart types
Functional Org Chart
Matrix Org Chart
Hierarchical Org Chart
Flat Org Chart
Org chart uses
Depicts hierarchies within an organization
Diagrams related to org carts
Family Tree
Visualizes the relationships between family
members over multiple generations
Type of family that also includes detailed
information about the relationships
between family members, medical history
and more
Less linear than org chart
Visualizes relationships and opportunities
between departments, products or supply
Mind Map
Developed by English researcher Tony Buzan
Mind map characteristics
Radial diagram that visualizes relationships
and hierarchies of elements around a
central idea
Mind map uses
Brainstorming / Ideation
Note taking and note making
Comprehension and memorization of
complex information
Best mind map software
Spider Diagram
Mind maps are a type of spider diagram
Concept Map
Concept maps typically have more than
one main topic