whats the difference between gene and locus then?

i like analogies, so ill try one.

gene: John Smith lives at west abbey road 11.

different form of the gene: Jack Harkness lives on west abbey road 11. Or Betty Sue or whoever, as long as its west abbey road 11. different forms mean different pieces of code inhabit the place.

Locus: west abbey road 11. and its always the same gene on abbey road 11, it cannot be different. No matter if its Betty Sue or John Smith. Thats just different versions of the gene.

so, logically, like it would be in mathematics, would not "gene" and "locus" be rather identical? The gene and the locus are both, independent of content, defined as: west abbey road 11.

when i apply the thinking im used to from mathematics and logic, there is no difference between "gene" and "locus" anymore. both refer to a place, and what resides at that place is meaningless for both and only affects the allele.

if thats really it then i would conclude:
so there is no BEL gene complex, there just is a BEL locus. In BP breeding, we are not dealing with different genes, but merely different forms of genes. When people list the genetics of a BP they are wrong in their terminology, they are referring to different variants of the same gene, or different pieces of code inhabiting the same locus.

but what would that be other than a shift in linguistics? gene and locus are identical, and different morphs are variants on a gene or on a locus. spider is not a gene, its a variant of the normal gene that normally would be there.

its all very confusing and i dont really see the point.