Step-by-step explanation:
A strategy is a long term plan to achieve a goal, it is an action plan, it gives you the path you need towards your mission.
A tactic is a carefully planned action made to achieve a specific objective, it involves better practices, resources and specific plans.
Some differences are:
-Strategy is an action plan, tactics are the actions themselves.
-Strategy is a long term plan, tactics can be short-termed steps.
-The strategy's perspective is broader (big picture), tactics' are narrower (close-up).
I hope you find this information useful and interesting! Good luck!