The exact term for each type varies somewhat from source to source, though these four are now the most usual.

While all accounts agree that she freed her husband, details vary from source to source.

The accounts of her vary greatly from source to source.

The legend has been varied from source to source until it was accepted in its final form.

The number of species included varies widely from source to source.

However, the impetus for this move varies from source to source.

The fighting area is square, but its exact size varies from source to source.

His Chinese name is not known exactly, and varies from source to source:

As a large plain, the exact extent can vary from source to source.

The exact size of the disputed area varies from source to source.