Longitudinal to the end Task decomposition should be detailed enough so that the lowest level task activities can be directly assigned to individuals to complete.

Lateral to edge There must be no missing items in the task decomposition, and any products or activities that are not within the scope of the project cannot be included.

The decomposed activity structure is clear

Logically form a big activity

Integrates all key factors

Contains interim milestones and monitoring points

All activities are clearly defined

analogy method

top-down approach

bottom-up approach

Broken down by physical structure of product

Break down by function of product or project

Break down by implementation process

Breakdown by geographical distribution of projects

Broken down by project goals

Break down by department

Break down by function

The status and completion of each task can be quantified

Clearly define the start and end of each task

Every task has a deliverable

The construction period is easy to estimate and within acceptable deadlines

Easily estimate costs

Each task is independent

Planning and design tools for describing ideas, Can help project managers/teams effectively manage project work

Structural design tool that represents the interconnections between various project efforts

A planning tool that shows a complete picture of the project and details the work that must be done to complete the project

Reporting tools to report project status to senior management and clients