Soldiers were issued different uniforms for different functions and uses. Each country name may be a little different. The Russian Army had like 5 different uniforms.
Here are some names for the categories of uniforms.
Combat or Field - Uniform, weapons and gear needed for combat; usually a light load.
Full Combat - uniform, packs, canteen and equipment needed for several days in the field
Utility - used for working outside.
Walking-out dress - Worn on leave.
Dress - Usually a coat and tie with ribbons and nice shoes.
Parade Dress - Best uniform that could include white gloves and belts and polished shoes and equipment.