Ships come as:
Hull - HH is Hollow hull
SH is Solid Hull
Sprue - If applicable. Sprues contain weapons, cranes, masts etc.
Individual parts - If Applicable
Small Scale - Suitable for 1/6000 and 1/4800 scale.
Presupported - Usually HH version and 1/6000 scales as well as any applicable sprues
Ships are supplied 1/1800 scale unless specifically stated. to convert from 1/1800 scale to other scales:
1/1800 - 100%
1/2400 - 75%
1/3000 - 60%
1/4000 - 45%
1/4800 - 37.5%
1/6000 - 30%