Meaning
A fixed maximum period of time allocated to an activity or discussion to prevent overrun.
Three examples from work
Sprint spike
DeveloperLet's timebox this architectural spike to two days.
Tech LeadAgreed; if it takes longer, we will reassess the library.
Meeting agenda
FacilitatorI want to timebox this discussion on styling tokens to ten minutes.
TeamUnderstood, let's focus on the primary color palette first.
Troubleshooting session
Senior EngineerLet's timebox local debugging to one hour before asking the vendor.
Junior DevGood idea, I will capture all network logs during that hour.