Or it might work the other way around. Sometimes teams struggle for a long time trying to bring a coherent sense of vision to a project and once it clicks in place, the Focus and Act phases follow swiftly. Maybe once every few seconds in some fast games. A single move in a chess or Go match may occupy more than an hour. An new product may be designed and launched in weeks or it may take years.
Some ideas take generations to make it completely through the process unscathed.
It may actually be more accurate to portray the model as shown on the left, because of its highly fractal nature. A wildebeest munching its way through a patch of grass scans, focuses and acts almost all at once. While in the process of chewing, it may be looking for the next morsel. People engaged in the act, or implementation portion of a project, likewise, are well advised to continue prospecting the horizon. But don't fall into the trap of thinking that the model is used in a strictly linear or cyclic fashion.