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| Debate
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A discussion in which the participants exchange information for the purpose of supporting or refuting one anothers' positions. Debates are win-lose discussions, as opposed to dialogues, which are win-win discussions.
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| Deliverable
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Any item produced as the outcome of a project or any part of a project. The project deliverable is differentiated from interim deliverables that result from activities within the project. A deliverable must be tangible and verifiable. Every element of the WBS (activity or task) must have one or more deliverables.
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| Deliverable
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A product, capability to perform a service, or other result, that must be produced to complete a project. Deliverables can be produced by the project team or, in some cases, by suppliers contracted to the project.
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| Dependency
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A relationship between two or more tasks. A dependency may be logical (see Logical Relationship) or resource based (see Resource dependency). Also see Link.
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| Dependency
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A logical relationship between two or more activities. The four types of dependencies are: start-to-finish, start-to-start, finish-to-start, and finish-to-finish.
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| Dialogue
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A discussion in which the participants share their thoughts and gain a better understanding of the subject and, possibly, reach consensus. This is contrasted with debate.
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| Duration
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The length of time required or planned for the execution of a project activity. Measured in calendar time units—days, weeks, months.
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| Duration
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Duration is the length of time needed to complete an activity. The time length can be determined by user input or resource usage. Activities with no duration are called Milestones which act as markers (see MILESTONES). Estimating durations for future activities is very difficult. It is recommended that the largest duration possible be used to account for possible delays.
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