Is it possible one dimensional plane?

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A one-dimensional plane is essentially a line, as the term "plane" typically refers to two or more dimensions. The discussion clarifies that while we commonly refer to two-dimensional spaces (R2) or higher (Rn), a one-dimensional space is represented by R. The confusion arises from the terminology used, as "plane" implies a flat surface with at least two dimensions. Therefore, it is accurate to say that a one-dimensional plane does not exist in the conventional sense. Understanding this distinction is crucial for clarity in mathematical discussions.
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I have heard about two or above dimensional plane which we can express R2 or Rn. But I never heard about one-dimensional plane which we can express R.

Is it possible one dimensional plane?
 
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Well, that's because we don't use the word "plane"! A one dimensional "plane" is a "line".
 

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