These ribbons will pop up during gameplay, Battlefield-style, in 9.8.
Destroyed

Destroy a spotted vehicle with a shot or by setting it on fire.
Damaged

Damage any spotted vehicle with a shot or by ramming. Module or fire damage does not count. Blind shots also do not count.
Critical Hit

Damage or knock out a module/crew member of an enemy vehicle.
Spotted

Be the first to spot an enemy vehicle.
Assisted

Spot or immobilise a tank that then receives damage from your allies.
Capturer

Earn 10 Capture Points.
Defender

Reduce the number of Capture Points on your team’s base by 1 or more.