1‘her mastery of the French language’
proficiency, ability, capability
knowledge, understanding, comprehension, familiarity, command, grasp, grip
2‘they played with tactical mastery’
skill, skilfulness, expertise, dexterity, finesse, adroitness, virtuosity, prowess, deftness, proficiency
3‘man's mastery over nature’
control, superiority, domination, command, ascendancy, supremacy, pre-eminence, triumph, victory, the upper hand, the whip hand, rule, government, power, sway, authority, jurisdiction, dominion, sovereignty
We take a look at several popular, though confusing, punctuation marks.