An armoured combat vehicle is a type of military land vehicle with armor and weapons for armed combat. Synonyms for this term are plentiful and often have alternative connotations. Military terminology offers more specific alternatives such as tracked combat vehicles, armored personnel carriers, main battle tanks, and attack helicopters. The term tank is often used to describe the heavy-armoured combat vehicles and is the most widely recognized. Other options include war machines, armoured carriers, and military transport vehicles. The use of such terms can depend on context or intended usage, emphasizing the vehicle's purpose, either transport or combat ready. Regardless of terminology, these vehicles play a significant role in both modern and historical warfare.