For questions about martial skills, which refer to skills that pertain to physical combat, especially nonmagical. The tern connotes expertise with a variety of weapons, fighting techniques, etc.
The term "martial" refers to skill and proficiency with physical combat (generally above all else). It often refers to weapons that a character trained in a common military setting would normally have knowledge/proficiency of or focused practical skill in physical altercations. Examples would include Fighters, Barbarians and Rangers in most game systems.