on mind vs in mind

on mind = concern / worry / thinking a lot about something
in mind = a plan you have made etc

d

Thanks a lot...

Anonymous Are they the same? What's on your mind? What do you have in mind?

No. They're different.

When I ask someone "What's on your mind?" I'm usually asking them what is causing them to worry. On the other hand, "What do you have in mind?", to me, is an offer to listen to a suggestion or a proposed plan.

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CJ

Thank you. It's very clear.

All these little words like on it at are related to their physical nature.
If something is on your mind, it's on top of your head like a heavy weight pressing down - a worry.
If something is in your mind, it's like a tool in your hand or bag, something you hope to use - a plan.
d

Thanks a lot.. Visualize them makes it easier to tell the difference.