Product glossary

A list of helpful product terms and definitions


"With Waterfall software development a team does not move forward to the next stage until the current one is 100% complete. It has 7 main stages according to the Software Development Life Cycle (SDLC): Conception, Analysis, Design, Coding, Testing, Implementation, and Maintenance. and Maintenance"

Weighted scoring

A prioritization method that provides a structured format for making decisions based on evaluating benefit versus costs against multiple criteria and scores to determine the best option to pursue.

WSJF: Weighted shortest job first

A prioritization method used to plan the progression of work (features, epics, capabilities) based on the ones that can produce the highest value.

What Not How

Emphasizing what a feature or product should do and now how. Product managers define the "what" and the "why" and rely on their teams to define the "how".


A low fidelity illustration that lays out the information architecture of a product and is used for usability testing. Though often low fidelity, wireframes can be high fidelity as well.

WIP: Work in Progress

Work that is not 100% complete i.e. it is still being developed. When presenting Work in Progress to stakeholders, make it explicitly clear that the work you are presenting is Work in Progress.

Working backwards

This method requires product teams to start from the end, a released product, by drafting an internal press release on the finished product to enable the team to focus on the product's benefits and on delivering the most appealing solutions and core benefits to the customers. This is also known as the Amazon method as it was pioneered by their product teams.

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