D&D 5E (2024) What are the "Martial" Styles

[CreamCloud0]

i think i'd just go with three: technique(covering both your martial and discipline), brute and trickery.

elaborating on how i'd classify these

TECHNIQUE
focusing on mastery of your physical form and combat skills.
ability examples include: fighting styles, weapon masteries, martial arts/ki-empowered strikes and piercer/crusher/slasher feats.
subclass examples include: battlemaster fighter, kensei monk.

BRUTE
focusing on pure overwhelming force and natural endurance.
ability examples include: rage, improved/superior critical, second wind, reckless attack and GWM/SS(2014 versions) feats.
subclass examples include: berserker barbarian, champion fighter.

TRICKERY
focusing on misleading your opponent as well as creating and exploiting openings.
ability examples include: sneak attack, vanish, rakish audacity, cunning action and skulker feat
subclass example include: mastermind rogue, gloomstalker ranger.