Zero Float

Definition:

In project management, Zero float is a condition where there is no excess of time between activities. An activity with Zero Float is considered a critical activity. If the duration of any critical activity is increased (the activity slips), the project finish date will slip.

Further Reading:

  • Project Management Institute. A guide to the Project Management Body of Knowledge

Vertical Slice

Definition:

Vertical Slice is mostly used in Scrum Terminology to plan in terms of features, or stories. A Vertical Slice means: a bit of every layer. It also refers to th cross-sectional slice through the layer,s that form the structure of the software code base.

Further reading:

  • Improve Your Memory: Sharpen Focus and Improve Performance book by Mark Channon