Simplify the following text for a Grade 11 native English-speaking person.
Original: Battledress , or fatigues in the general sense , is the type of uniform used as combat uniforms , as opposed to ` display ' dress or formal uniform worn at parades and functions .
Simplified: Battledress is a general term for the military uniform worn into combat , as opposed to ` display ' dress and formal uniforms worn at parades and functions .