Demo Framework Scenarios are Features modules that extend the Demo Framework distribution. The idea behind a scenario is that once enabled via DF, it provides a full demo site complete with content, taxonomy, landing pages etc.
DF comes with one of these "out-of-the-box" demos as an example. One can copy (or "fork") a scenario, changing it to make a unique demo for their own purposes.
WEM Demo (dfs_wem)
Web experience management through content, community and commerce.
There are two ways to enable the WEM Demo.