His goal is to become a doctor.
Please explain the purpose of this meeting.
I exercise every day with the goal of staying healthy.
He worked hard and achieved his goal.
This trip has a special purpose.
It's important to have a clear goal for studying abroad.
目的 is the common, everyday word for a goal or purpose, whereas 本旨 is more formal and emphasizes the true, underlying intent.
目的 is the neutral, standard word for purpose or objective, whereas 目当て often carries a slightly self-interested or informal nuance.
目的 refers to a goal or aim in general, while 使い道 specifically concerns what a resource like money or an object will be used for.
目的 refers broadly to an aim or objective, while 用途 specifically denotes what something is used for.
目的 is the broad, everyday word for 'purpose' or 'goal', whereas 主眼 specifically singles out the most important aim among several.
purposive; appropriate to the purpose
multipurpose; multi-use