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Example of the basic three-tier colorful diagram with flat arrows
from deck Layers & Tiers Diagram Graphics (PPT Template)

Basic 3-Tier Architecture Diagram Example

Slide Content

The slide presents an overview of a Basic 3-Tier Architecture Diagram with its three main components: UI Presentation Layer, Business Logic Layer (BLL), and Data Access Layer (DAL), leading to a Database (DB). The UI, depicted in blue, represents the Presentation Layer where users interact, whereas the BLL, shown in green, contains the Entity, representing Business Logic Layer where core processing occurs. The DAL in purple manages the Data Access Layer, which orchestrates communication with the DB, illustrated in dark blue, symbolizing the data storage component.

Graphical Look

  • Three large, colored rectangles represent the UI, BLL, and DAL layers, overlaying each other from left to right.
  • Each rectangle contains a lighter band with the acronym of the layer (UI, BLL, DAL) in bold, white font.
  • Inside the UI rectangle, there is a small icon of a computer monitor followed by the text "Presentation Layer."
  • Within the BLL rectangle, there is an icon of a chess bishop next to the text "Entity" and "Business Logic Layer."
  • Nested in the DAL rectangle, a checkmark icon is visible above the text "Data Access Layer."
  • A smaller, circular arrow icon indicates the flow of information between the layers.
  • On the far right, a vertical oval shape represents the Database (DB) with a cylinder icon inside, signifying data storage.

The visual composition uses vibrant, contrasting colors for each layer: blue, green, and purple, which helps to clearly distinguish each architectural tier. The blocky rectangles and connecting arrows imply a flow of information, while icons provide quick visual cues about each layer's function.

Use Cases

  • To explain software architecture in educational settings, such as classrooms or training workshops.
  • During the planning phase of a software development project to illustrate proposed system structure.
  • In technical presentations to stakeholders who need to understand the system design.
  • As part of documentation or proposal materials for a software engineering process to visually represent the architectural setup.

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