Is this real world scale? and for uv texturing

Support Modeling
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also I am still having uv texture issues. i looked online and there all cube tutorials or cylinder. I was wondering, is there away to see what edge I am on by clicking on it and seeing the selected edge in the uv editor? this way I can know what edge is witch? I mean a plank is not to hard but for future projects I think this style would help me a lot.

the blend file I was wondering if my real world was set correctly. by changing my dimensions to imperial and to 3.048 which automatically changes to .305 and I marked the separate units

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is there away to see what edge I am on by clicking on it and seeing the selected edge in the uv editor? this way I can know what edge is witch? I mean a plank is not to hard but for future projects I think this style would help me a lot.
Enable the ‘keep UV and mesh selection mode in sync’ button on the UV Editor header (the button to the left of the vertex section mode buton)

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thank you very much for your time to answer my question. I appreciate it.