Meaning of 'I'm just wandering off on a tangent'

[Schwartz]

What does 'I'm just wandering off on a tangent.' mean?

[Honey2]

may be it means that you walk next to the wall
not on the street but you walk that you may be touch the walls

i am a student and i hope that is right
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live quite life

[Kitosdad]

:) :) Not really Honey. It means that you are straying away from the point of the conversation, almost changing the original subject.
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Keep it simple ... Keep it interesting.

[Honey2]

thanx kitosdad
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live quite life

[Schwartz]

Thanks a lot