Example of DFD for Online Store (Data Flow Diagram)

This example was redesigned from the Wikipedia file: LastResortHotel BookRoom Process.png. [en.wikipedia.org/ wiki/ File:LastResortHotel_ BookRoom_ Process.png]
This file is licensed under the Creative Commons Attribution-ShareAlike 3.0 License. [creativecommons.org/ licenses/ by-sa/ 3.0/ ]
"Event partitioning is an easy-to-apply systems analysis technique that helps the analyst organize requirements for large systems into a collection of smaller, simpler, minimally-connected, easier-to-understand ‘mini systems’ / use cases. ...
Defining requirements.
Single process in a fictitious hotel using data flow diagram notation.
Single use case in a fictitious hotel using use case diagram notation.
This approach helps the analyst to decompose the system into ‘mentally bite-sized’ mini-systems using events that require a planned response. The level of detail of each response is at the level of ‘primary use cases’. Each planned response may be modelled using DFD notation or as a single use case using use case diagram notation.
The basic flow within a process or use case can usually be described in a relatively small number of steps, often fewer than twenty or thirty, possibly using something like ‘structured English’. Ideally, all of the steps would be visible all at once (often a page or less). The intention is to reduce one of the risks associated with short-term memory, namely, forgetting what is not immediately visible (‘out of sight, out of mind’). ...
Single process in a fictitious hotel using data flow diagram notation." [Event partitioning. Wikipedia]
The DFD example "Last resort hotel book room process" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Data Flow Diagrams solution from the Software Development area of ConceptDraw Solution Park.

This SWOT matrix diagram example was created on the base of article "An Easy Way To Jumpstart Your Strategic Plan: SWOT" by Leslie Wolf from the website of the California Digital Library, the University of California. "Strategic planning doesn’t have to be a daunting and lengthy process. The goal is really a simple one: to help you understand your world and build a road map to guide your efforts. ...
This analysis tool can help you focus your attention on the specific success factors that are right for your team.
The tool is called a SWOT analysis. SWOT stands for Strengths and Weaknesses, Opportunities and Threats. Here’s what it means:
(1) Strengths are those positive internal attributes that strengthen your business or team. You can develop plans to capitalize on those strengths.
(2) Weaknesses are those negative internal attributes that are working against your success. You can shore up those weaknesses so they don’t stop your success.
(3) Opportunities are those external conditions that can have a positive effect on your goals. These opportunities can point you in the right direction.
(4) Threats are those external conditions that can have a negative effect on your goals. These threats will affect you less if you can identify and minimize them. ...
We thought it would be helpful to show you a sample SWOT analysis for a business you can easily visualize: a small independent bookstore in a university town. The store owner brought the team together to think about how the bookstore could survive during the continuing financial downturn. After an hour of brainstorming, this is the SWOT analysis they developed." [cdlib.org/ cdlinfo/ 2010/ 09/ 29/ an-easy-way-to-jumpstart-your-strategic-plan-swot/ ]
The matrix diagram example "SWOT analysis for a small independent bookstore" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the SWOT Analysis solution from the Management area of ConceptDraw Solution Park.