David J. Mortimer
There are 3 types of cards (if we look at the lower side).
Cards with pictured Tri-Prime have an icon with the checkmark and can be claimed if a player is in control of the Tri-Prime sector
Cards with a pictured ship or with a pictured planet have an upward arrow icon, which means that the card can be claimed by the player with largest fleet or with the most planets pictured.
The right icon with 3 dots means its worth 3 points.
That's how we've been playing it
And that's correct.