Trading commodities while sneaking past hostile forces, racing the best pilots in the area, mining for diamonds, negotiating for survival, spying for a curious energy company, cleaning dirty solar arrays, transporting an impatient passenger... and that's just on a Monday.
Most popular community and official game content for the past week.  (?)
What does popular mean?
It means the content you're seeing has been rated up more than it has been rated down for the given time period.