Corvette
A corvette was a type of starship.

In the 2260s of the alternate reality, information on Starfleet operated corvettes was located in the Federation database. ()

Appendices

Background information 
Corvettes were mentioned in a list of Starfleet vessel types, which appeared to the left of the personnel file for Balthazar Edison. 

According to the Star Trek: Discovery The Official Starships Collection artwork identified the  a "Vulcan Corvette" before later amending the name to Solkar-class cruiser. 

In the real world, corvettes were small warships used usually for escorting convoys.

External link

Spacecraft classifications (alternate reality)