forecastA statement about what will probably happen, honest about how sure it is.1 minutecapitalMoney used to build something, and the patience to let it work.1 minutecorridorA long passage between places, and a route where charging is simply there.1 minutepatienceThe ability to wait calmly, and a strategy that looks like a temperament.1 minutedepotWhere a fleet is kept overnight, and wakes up charged.1 minuteledgerA book of accounts, and a record nobody can argue with afterwards.1 minutevoltThe unit of electric potential, named after Alessandro Volta, and half of a name.1 minutethresholdThe strip at the foot of a door, and the point at which things begin.1 minuteinterfaceWhere two systems meet, and everything a person sees of either.1 minutechargeEnergy stored in a battery, the price of putting it there, and the act itself.1 minute